PART 6 - Central Office Services First Revised Sheet 1 SECTION 9 - Other Central Office Services 6.9 OTHER CENTRAL OFFICE SERVICES

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AT&T NEVADA GUIDEBOOK

PART 6 - Central Office Services First Revised Sheet 1

SECTION 9 - Other Central Office Services

6.9 OTHER CENTRAL OFFICE SERVICES 6.9.1 TELEPHONE ANSWERING SERVICE

A. DESCRIPTION

(1) Telephone answering service consists of telephone answering facilities and services furnished according to the provisions of this guidebook to customers engaged in the telephone answering service business and to other subscribers to telephone service who desire service

arrangements whereby their incoming calls may be answered by a subscriber engaged in the telephone answering service business.

(2) A customer will be considered to be engaged in the telephone answering service business where 10 or more off-premises extension station line services of one or more different subscribers are terminated in one or more adjoining rooms on customer’s premises. The customer will be required to subscribe to telephone answering service and equipment under the terms of this Guidebook, and all different subscriber lines will be terminated on this equipment.

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645 E. Plumb Lane, Reno Nevada

PART 6 - Central Office Services Original Sheet 2

ATT TN NV-07-17416 EFFECTIVE: October 1, 2007

6.9 OTHER CENTRAL OFFICE SERVICES 6.9.1 TELEPHONE ANSWERING SERVICE

6.9.1.1 SECRETARIAL ANSWERING SERVICE

A. DESCRIPTION

Secretarial line service is a service employing an extension station line, extension of a trunk line, PBX station line, or CENTREX primary station line from a primary service terminating on telephone answering cord-operated or key equipment.

B. REGULATIONS

(1) Secretarial line service is furnished for the sole purpose of enabling the subscriber to the telephone answering equipment to answer incoming calls of the subscriber to the secretarial line. These lines are equipped to prevent outgoing calls.

(2) Secretarial line service is not offered for: a. outgoing exchange or toll calls,

b. intercommunication between the secretarial line subscriber and the telephone answering equipment subscriber over the secretarial line, or

c. connections between the secretarial line and a central office (CO) line or other secretarial line through the telephone answering equipment.

(3) Secretarial lines terminated on cord-operated answering equipment may be connected to telephone answering equipment stations located on the premises of the subscriber. (4) Different Subscribers

The following secretarial line service will be furnished to subscribers other than the subscriber to the telephone answering equipment:

The direct termination on telephone answering cord-operated or key equipment of an extension station line, extension of a trunk line or a PBX station line from a primary service.

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645 E. Plumb Lane, Reno Nevada

6.9 CENTRAL OFFICE SERVICES 6.9.1 TELEPHONE ANSWERING SERVICE (Cont’d)

6.9.1.1 SECRETARIAL ANSWERING SERVICE (Cont'd) B. REGULATIONS (Cont'd)

5. Same Subscriber

The following secretarial line services will be furnished to the subscriber to the telephone answering equipment:

a. direct termination on telephone answering cord-operated or key equipment of an extension station line from a primary service.

b. joint user service in connection with the same subscriber's primary service from which the secretarial line is extended.

C. RATES AND CHARGES

Each secretarial extension line, extension of a trunk line, PBX or CENTREX primary line from a subscriber's primary service terminated on cord-operated equipment or key equipment.

Charge as appropriate for an extension line, PBX or CENTREX extension line plus the following mileage:

Monthly

Rate USOC 1/4 to 3/4 miles, flat rate

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645 E. Plumb Lane, Reno Nevada

6.9 OTHER CENTRAL OFFICE SERVICES 6.9.1 TELEPHONE ANSWERING SERVICE (Cont'd)

6.9.1.1 SECRETARIAL ANSWERING SERVICE (Cont'd) C. RATES AND CHARGES (Cont'd)

Monthly

Rate USOC

4/4 to 7/4 miles, flat rate – Each

extension line $28.00 1LJPR

Over 7/4 miles, flat rate – Each

extension line $44.00 1LJPR

a. Where the telephone answering equipment is located outside the base rate area or special rate area where the subscriber's

primary service Is located ---

Rate applicable above, plus appropriate suburban mileage charges as specified in Part 4 Section 1 of this Guidebook.

b. Where the telephone answering equipment is located in an exchange contiguous to the exchange in which the customer's

primary service Is located ---

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645 E. Plumb Lane, Reno Nevada

9.4 CENTRAL OFFICE SERVICES

6.9.1 TELEPHONE ANSWERING SERVICE

6.9.1.6 LINES TERMINATING IN TELEPHONE ANSWERING SYSTEMS A. REGULATIONS

1. Trunk Line and Business Individual Line Service

a. Trunk lines terminated on cord-operated telephone answering equipment and business individual lines terminated on telephone answering key equipment are provided solely for Inward and outward CO calls in connection with the affairs of the subscriber, except as the service may be extended to joint users.

b. Trunk lines terminated on cord-operated answering equipment may be switched to stations of cord-operated answering equipment located on a premises of the subscriber to the answering equipment.

2. Answering Line Service

a. Answering line service is furnished only to a party other than the subscriber to the telephone answering equipment.

b. Answering line service is a service employing a CO line terminating on telephone answering cord-operated equipment or key equipment and is designed to enable the subscriber to the telephone answering equipment to answer incoming calls of the subscriber to the answering line service. These lines are equipped to prevent outgoing calls.

c. Answering lines terminated on cord-operated answering equipment may be switched to telephone answering equipment stations located on a premises of the subscriber to the answering equipment.

3. Tie Line Service

Tie Line Service in connection with telephone answering service comprises a circuit between two cord-operated telephone answering equipment systems or between a cord-operated telephone

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AT&T NEVADA GUIDEBOOK

6.9 CENTRAL OFFICE SERVICES 6.9.1 TELEPHONE ANSWERING SERVICE (Cont'd)

6.9.1.6 LINES TERMINATING IN TELEPHONE ANSWERING SYSTEMS (Cont'd) A. REGULATIONS (Cont'd)

a. connection of a single tie line (at either end but not both ends simultaneously) to a CO line or, where facilities and operating conditions permit, to a full-period private line service line or another tie line.

4. Direct Inward Dialing Service

Direct Inward Dialing (DID) from the message network, for telephone answering service customer identification purposes, will be provided for use with equipment with which it is compatible at the rates and regulations as specified in Part 4 Section 1.

B. RATES AND CHARGES 1. Primary and Extension Lines:

A Service Connection Charge applies as specified in Part 3 Section 1. 2. Lines Terminated on Telephone Answering Equipment

a. Trunk Line Service in connection with cord-operated telephone answering equipment:

Same Subscriber - Provided according to the rates listed for commercial PBX trunk lines as specified in Part 3 Section 1.

b. Key Equipment Business Individual Line Service:

Same Subscriber - Provided according to the rates listed for business individual line service as specified in Part 4 Section 1.

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645 E. Plumb Lane, Reno Nevada

6.9 CENTRAL OFFICE SERVICES 6.9.1 TELEPHONE ANSWERING SERVICE (Cont'd)

6.9.1.6 LINES TERMINATING IN TELEPHONE ANSWERING SYSTEMS (Cont'd) B. RATES AND CHARGES (Cont'd)

c. Answering Line Service - Different Subscribers:

Each answering lines - Provided according to the rates listed for business individual line service as specified in Part 4 Section 1.

d. Tie Line Service

(1) Each tie line between operated telephone answering systems or between cord-operated telephone answering equipment system and P3X system on the same or different premises of the same or different subscribers:

Rate applicable to tie line service between PBX systems as specified in Part 4 Section 1 and Part 8 Section 8 .

(2) Each termination of a tie line in the attendant's position of a telephone answering equipment system:

Rates applicable to termination of tie lines in PBX attendant positions as specified in Part 4 Section 1 and Part 8 Section 8 .

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645 E. Plumb Lane, Reno Nevada

6.9 CENTRAL OFFICE SERVICES

6.9.2 CALL MANAGEMENT SYSTEMS A. DESCRIPTION

An automatic call distributing system will be furnished independently of, or in conjunction with, a manual or dial private branch exchange system, another automatic call distributing system, or a Centrex system, as desired.

B. TERRITORY

Within the exchange area of all exchanges.

C. RATES AND CHARGES

Rate table items listed below are applicable for use with Models 15, 60 and 200.

Installation Monthly

Charge Rate USOC Lines

Outward line from attendant's position equipment to central office-*-

- Each RR RR NA

Transfer equipment line to Centrex Switching Equipment

- Each RR RR GJY

NOTE 1: Charge and rate applicable to business individual access line. NOTE 2: Charge and rate applicable to CENTREX primary station line.

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AT&T NEVADA GUIDEBOOK

6.9 CENTRAL OFFICE SERVICES 6.9.2 CALL MANAGEMENT SYSTEMS (Cont'd)

C. RATES AND CHARGES (Cont'd)

Installation Monthly

Charge Rate USOC

Overflow lines:

- On premises line, each NO NO NA

- Off-premises line, each RR RR NA

Trunks

- Trunk lines to common equipment NO RR NA

NOTE 1: Charges and rates applicable to local Channels or Interexchange Channels, Part 15 Section 2.

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645 E. Plumb Lane, Reno Nevada

6.9 CENTRAL OFFICE SERVICES 6.9.3 NON-EMERGENCY 311 SERVICE (NE 311)

6.9.3.1 GENERAL

A. Non-emergency 311 Service (NE 311) is a local telephone exchange communications service which allows telephone customers to reach non-emergency local government services by dialing an abbreviated telephone number, three-one-one (3-1-1). NE 311 traffic is routed over the public switched network to destinations such as call centers designated by the NE 311 customer. The FCC reserved the abbreviated telephone number 3-1-1 for non-emergency access to public

services. NE 311 Service is an optional service which may be purchased by a local municipality, a council of governments, a communication district, or other state or local governmental unit, or an authorized agent of one or more municipalities or other state or local governmental units to whom authority has been lawfully delegated. The customer must be legally authorized to subscribe to the service.

NE 311 Service is offered subject to the availability of facilities. B. REGULATIONS

1. A minimum service period of one month applies to this service.

2. Only calls originating within a NE 311 customer’s area of jurisdiction (the “NE 311 Service Area”) will be routed to a call center. Other customers will receive a recorded message that the call cannot be completed as dialed.

3. There can be only one NE 311 customer in each geographic area; NE 311 service areas may not overlap. This assures that NE 311 calls from a telephone line within a NE 311 service area can be routed to a unique NE 311 call center.

4. NE 311 is a local service. Each NE 311 call must route to a local telephone number. NE 311 calls are not permitted where local calling is restricted (e.g. prisons, or lines equipped with soft dial tone). 5. The Company’s network will correctly route Telephone Text (TTY) calls to the appropriate NE 311

Call Center. The NE 311 customer is responsible for operating the appropriate customer premises to handle TTY calls.

6. The Company is not responsible for establishing NE 311 Service calls originating from other Telecommunications providers.

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645 E. Plumb Lane, Reno Nevada

B. REGULATIONS (Cont’d)

7. NE 311 Service is provided solely for the benefit of the customer; the provision of such service shall not be interpreted, construed or regarded as being for the benefit of or creating any obligation toward or any right of action on behalf of, any third person or other legal entity.

8. Nevada Bell will make every effort to route NE 311 calls to the appropriate calling center; however, Nevada Bell will not be held responsible for routing mistakes or errors.

9. NE 311 Service will not complete calls dialed using the 0-3-1-1 or 1-3-1-1 dialing pattern. 10. A summary bill is not available where summary billing is on MAG tape.

C. APPLICATION OF RATES

1. The non-recurring charges associated with initial NE 311 Service establishment are specified in section 6.9.3 E. These are one-time charges which apply only when a customer establishes or modifies NE 311 Service.

2. The charges associated with ongoing basic service offering are monthly charges.

3. Customers may choose to be billed on an actual usage basis or using the Budget Billing Option as described in the following sections.

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AT&T NEVADA GUIDEBOOK

6.9 CENTRAL OFFICE SERVICES 6.9.3 NON-EMERGENCY 311 SERVICE (NE 311)

D. BUDGET BILLING OPTION

1. To accommodate NE 311 customers’ desire for billing stability, the usage charge defined in 6.9.3.E of this section may be billed using the budget billing option, as defined below.

a. Budget billing customers are charged each month based on estimated average monthly usage. b. For a new NE 311 customer, the average monthly usage will be estimated jointly by the customer

and the Nevada Bell representative. The result will be rounded to the nearest 5000 calls. After six months actual usage is available, the estimate will be modified, as necessary. In addition, Nevada Bell reserves the right to negotiate changes to the budget billing estimated usage at any time. c. After an NE 311 customer has received service for twelve months. The monthly usage estimate will

be calculated based on the average actual usage over a recent 12-month period, rounded to the nearest 5000 calls.

d. The Budget Billing Option bill rendered will reflect the monthly Budget Billing Option level purchased by the customer.

e. A monthly report will be provided to the customer to identify monthly cumulative variances. f. The customer may adjust their Budget Billing plan at any time.

g. If the customer has more than a fifteen percent variance over three consecutive months. The customer is required to adjust their Budget Billing Option level either up or down to minimize an end-of-year true up.

h. If the customer switches from the Billing Option to actual per call billing, a true up will be generated. i. If a customer who has selected the Budget Billing Option disconnects NE 311 Service, the actual

usage will be calculated to perform an account true up for the final NE 311 bill.

j. A non-recurring charge applies when a customer implements the Budget Billing Option, as specified in section Part 6, Section 9.3.E.

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AT&T NEVADA GUIDEBOOK

E. RATES AND CHARGES

1. Basic Service

a. Non-recurring Charges

Non-recurring Monthly

Charge Rate USOC

i. NE 311 Service (per system) $9,500.00 $ 725.00 3NE ii. NE 311 Central Office

connection charge $1,800.00 $ 0.00 NEMCO iii. NE 311 Table Changes (per

customer request to change

routing number) $ 999.00 $ 0.00 NEMTC b. Usage

Each Item

- per call option $0.10 3BAPC

c. Budget Billing Option

i. NE 311 Budget Billing

(Monthly, per 5000 calls) $0.00 $ 500.00 3BABB ii. NE 311 Budget Billing

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645 E. Plumb Lane, Reno Nevada

6.9 CENTRAL OFFICE SERVICES 6.9.4. PREMIUM EXCHANGE SERVICES

6.9.4.1 HUNTING SERVICE A. DESCRIPTION

1. Hunting Service is a feature which routes the call to an idle line in a prearranged group when the called line is busy. The hunting sequence over these prearranged groups can be accomplished as follows:

a. Series Complete hunting is a type of hunting in which the hunt for an idle line starts with the called line in a prearranged group and ends with the last line in the group, completing the call to the first idle line encountered. Unless the first line is called only a portion of the group is hunted. b. Circular hunting is a type of line hunting in which the hunt for an idle line starts with the called

line and proceeds in a proceeds in a prearranged order to hunt all lines in the group once, completing the call to the first idle line encountered. When the hunt for an idle line commences beyond the first line in the hunt group and finds all higher numbered lines busy, the hunt returns to the first line in the group. The hunt ends with the line number preceding the starting line where the hunt in the group initially began.

c. Preferential hunting is a type of line hunting which permits a prehunt over a subset or preferential group of terminal before hunting through the prearranged group. The hunt through the

prearranged group can be a regular or circular hunt.

d. Uniform Call Distribution (UCD) is a type of hunting which provides for an even distribution of incoming calls among the available members of a hunt group. UCD requires the prearranged group to have circular hunting.

B. APPLICABLITY

Applicable to Individual Line or PBX Trunk Line Service. C. TERRITORY

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645 E. Plumb Lane, Reno Nevada

6.9 CENTRAL OFFICE SERVICES 6.9.4 PREMIUM EXCHANGE SERVICES (Cont’d)

6.9.4.1 HUNTING SERVICE (Cont’d) D. REGULATIONS

1. The type of hunting service features available is limited within specific areas dependent upon the facilities and operating conditions.

2. Hunting service features are limited to use on a particular customer’s lines or trunks. Hunting features cannot be utilized between services billed to separate customers at the same or different addresses or for the same customer at the same or different addresses or for the same customer at different addresses.

3. When a service connection or service charge applies to a line/lines or trunk/trunks, hunting will be established without additional nonrecurring charge.

4. When existing lines or trunks are subsequently added to or removed from a hunting group or the type of hunting feature is changed, one *M2 and one *M4 as set forth in Part 3, Section 1 of this Guidebook will apply to each hunt group affected.

5. One *M2 and one *M4 will apply when existing lines or trunks are subsequently rearranged within the hunt group.

E. RATES

Monthly

Rate USOC

Hunting Service, each line in a hunt group

- Series Complete $1.00 HTGSH

- Circular 1.75 HTGCH

- Preferential 1.50 HTGPH

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645 E. Plumb Lane, Reno Nevada

6.9 OTHER CENTRAL OFFICE SERVICES 6.9.5. CUSTOMIZED SWITCHED METRO ETHERNET (CSME) SERVICE

A. BASIC SERVICE DESCRIPTION

Customized Switched Metro Ethernet Service (CSME Service) is a switched Layer 2 Ethernet network allowing for basic metropolitan Ethernet connectivity. CSME Service allows businesses to interconnect multiple customer locations within a LATA as if they were segments on the same LAN using packet-based switching technologies. Connections at the customer premises are made using Native Ethernet interfaces and traverse the MAN over fiber facilities. CSME Service provides bandwidth of either 10 Mbps, 100 Mbps or 1 Gbps1.

Customers connect to CSME Service via one of the following standard connections, as requested by the customer:

- 10/100 Base T (10 Mbps or 100 Mbps)

- Gigabit Ethernet (1000 Base SX, 1000 Base LX/LH or 1000 Base ZX)

Customers may connect multiple locations together, as long as they are in the same LATA or MAN and the service is available. This service acts as an Ethernet bridge supporting LAN-to-LAN connections.

CSME Service includes the connection from the customer’s premise to the Ethernet network, a port on the Ethernet network and the bandwidth that will be used across the network. An optional feature is the ability to segregate customer traffic, as deemed necessary by the customer. This traffic segregation is accomplished using Ethernet Virtual Connections (EVCs), at an additional charge.

Note 1: Bandwidth is inclusive of allowances for overhead within the Ethernet network. If a customer orders 1 Gbps of bandwidth on a single port, the Company reserves the right to use up to 10% of the bandwidth for traffic management.

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AT&T NEVADA GUIDEBOOK

6.9 OTHER CENTRAL OFFICE SERVICES 6.9.5. CUSTOMIZED SWITCHED METRO ETHERNET (CSME) SERVICE (Cont’d) B. REGULATIONS

In addition to the regulations contained in this Guidebook, the following regulations apply to CSME Service:

1. CSME Service is provided at the option of the Company where equipment and facilities permit. If appropriate facilities are not available, Special Construction charges may apply.

2. The customer provided equipment (CPE) must deliver the data signal for the CSME transport within the industry specification for the subscribed data service. See TECHNICAL

REFERENCES following.

3. CSME Service supports full duplex communication.

4. If a customer connects to the CSME network using a bridge or switch for Layer 2 connectivity, only 150 MAC addresses can be used per Layer 2 device, per port. Any additional addresses over the first 150 will be assessed an additional charge, with a limit of 200 MAC addresses total per port. An additional charge will be assessed per block of 151-200 addresses. See RATES

AND CHARGESfollowing.

5. CSME Service is distance limited, based on circuit configuration as determined by the

Company. A repeater may be used to extend the transmission of CSME Service. See Repeater under SERVICE COMPONENTS following for further definition. See RATES AND CHARGES following.

6. Should the customer wish to segregate traffic, a total of 8 Ethernet Virtual Connections (EVCs) may be configured per 10/100 Base T connection. A total of 64 EVCs may be configured per 1 Gbps connection. Should the customer request more than 64 EVCs on a 1 Gbps connection, a technical review will need to be conducted to determine whether the network will support more than 64 EVCs.

7. If a customer desires that service be provided on a due date less than the standard interval, the customer may request that service be provided on an expedited basis. If the Company

determines that service can be provided on the requested expedited date and spare facilities are available, the Expedite Order Charge (per port, per location) will apply. See RATES AND

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AT&T NEVADA GUIDEBOOK

SECTION 9 - Other Central Office Services Cancels Original Sheet 18

ATT TN NV-09-0019 EFFECTIVE: April 1, 2009

6.9 OTHER CENTRAL OFFICE SERVICES

6.9.5. CUSTOMIZED SWITCHED METRO ETHERNET (CSME) SERVICE (Cont’d) B. REGULATIONS (cont’d)

8. If the customer cancels service prior to installation being completed, a Service Order

Cancellation charge (per port, per location) will apply. See RATES AND CHARGES following. The customer’s intent to cancel service must be made in writing.

9. CSME Service may be available in a meet-point billing arrangement involving another Incumbent Local Exchange Carrier (ILEC) (sometimes also referred to as an Independent Company or ICO), where suitable facilities exist and where appropriate procedures for such arrangements have been put in place between the Company and the other ILEC. When the Company and another ILEC jointly provision CSME Service with the other ILEC’s service, the ILEC involved shall bill the customer at that ILEC’s applicable rates for their portion of the service located in their operating territory. Ordering and provisioning procedures may vary, and therefore Meet-Point rate elements and charges may not be applicable, when the other ILEC involved in the Meet-Point arrangement is an AT&T ILEC.

10. Service Level Agreements are not offered with this service. However, Credit Allowances are applicable.

11. If the 10 Mbps or 100 Mbps connection is ordered, it will only be provisioned using the 10/100 Base T connection.

12. The responsibility of the Company shall be limited to furnishing the CSME network. Subject to this responsibility, the Company shall not be responsible for the through transmission of signals generated by CPE or for the quality of, or defects in, such transmission or the rejection of signal by CPE. The Company shall not be responsible for installation, operation, maintenance or adapting CSME to the technological requirements of specific CPE. In addition, the Company shall not be responsible to the customer if changes in any of the equipment, operations or procedures of the Company used in the provisioning of CSME render any facilities provided by the customer obsolete; or require modification or alteration of such equipment or system; or otherwise affect its use or performance, provided the Company has met all applicable information disclosure requirements otherwise required by law.

13. Customers will be permitted to move from a 10 Mbps or 100 Mbps Connection to a 1 Gbps Connection, however, the Nonrecurring Charge associated with the new 1 Gbps Connection will apply. See RATES AND CHARGES following.

(C)

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AT&T NEVADA GUIDEBOOK

6.9 OTHER CENTRAL OFFICE SERVICES 6.9.5. CUSTOMIZED SWITCHED METRO ETHERNET (CSME) SERVICE (Cont’d) B. REGULATIONS (Cont'd)

14. The company will use controls to limit the amount of multicast and broadcast traffic to protect the CSME network against traffic storms. The maximum throughput of multicast traffic will be set at 1 Mbps per customer port, while the maximum throughput of broadcast traffic will be set at 200 packets per second per port. The Company recommends that customers enable controls for multicast, broadcast and unknown unicast traffic within the customer network(s).

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AT&T NEVADA GUIDEBOOK

6.9 OTHER CENTRAL OFFICE SERVICES 6.9.5. CUSTOMIZED SWITCHED METRO ETHERNET (CSME) SERVICE (Cont’d) B. REGULATIONS (cont’d)

15. Allowance for Interruption

In case of an interruption to service, allowance for the period of interruption, if not due to the negligence of the customer or the customer’s end user, shall be as follows: no credit shall be allowed for an interruption of less than 10 seconds. The customer shall be credited for an interruption of 10 seconds or more as follows: the credit shall be at the rate of 10/8640 of the monthly charges for the service for each period of 5 minutes or major fraction thereof that the interruption continues. The credit allowance(s) for service interruptions shall not exceed 100% of the applicable monthly rates.

The Company will be excluded from providing an Allowance for Interruption should any of the following conditions occur:

• Force majeure events such as, but not limited to, an earthquake, hurricane, flood, fire, storms, tornadoes, explosion, lightning, power surges or failure, fiber cuts, strikes or labor disputes, acts of war, civil disturbances, acts of civil or military authorities or public enemy, governmental orders, civil commotion, criminal actions taken against the Company, acts of God and other circumstances beyond the Company’s reasonable control.

• The failures of any components beyond the local facility including the Network Interface (NI), the CSU/DSU/Channel band/Extended Demarcation are excluded from the service outage calculation.

• Data loss during the Company’s scheduled maintenance window.

• Failures attributed to facilities or equipment provided by customer or its contractors, equipment vendors, another local exchange carrier or inter-exchange carrier. C. TECHNICAL REFERENCES

Technical specifications for CSME Service are described in the following technical references:

Ethernet Standards SBC TP-76412

Network Equipment Design Requirements SBC TP-76200MP

These publications may be obtained from: APEx Support Team

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SECTION 9 - Other Central Office Services Cancels Original Sheet 21

6.9 OTHER CENTRAL OFFICE SERVICES 6.9.5. CUSTOMIZED SWITCHED METRO ETHERNET (CSME) SERVICE (Cont’d) D. SERVICE COMPONENTS

1. There is one standard (or required) rate element which applies for CSME Service: Usage, Port, Transport and Interface.

Usage, Port, Transport and Interface

Provides for the physical connection between the customer’s premise and the serving wire center, as well as the bandwidth that will be used by the customer at each location. Several interface protocols are available: 10/100 Base T and Gigabit Ethernet (1000 Base SX, 1000 Base LX/LH or 1000 Base ZX).

2. In addition, there are optional rate elements which may apply to CSME, depending on the customer’s configuration:

Additional MAC Addresses

Media Access Control (MAC) Addresses denote a data link layer protocol used for Layer 2 connectivity. If a customer connects to the CSME network using a bridge or switch for Layer 2 connectivity, only 150 MAC addresses can be used per Layer 2 device, per port. Any

additional addresses over the first 150 will be assessed an additional charge, with a limit of 200 MAC addresses total per port. An additional charge will be assessed per block of 151-200 addresses.

Ethernet Virtual Connections (EVCs)

An Ethernet Virtual Connection is a logical point-to-point connection between two customer locations, and goes from the customer demarcation point at one location through the network to terminate at the demarcation point at the second customer location. Customers use EVCs if they desire traffic segregation, but EVCs will not provide for traffic prioritization. EVCs may be ordered to establish additional virtual connections over the same physical connection. When EVCs are ordered, the customer must designate the amount of bandwidth to be assigned to each EVC. EVCs can be set in 1 Mbps increments from 5 Mbps to 1 Gbps.

Meet-Point Billing Options

Meet-Point is available in two configurations:

Direct LEC Connection is provisioned using a standard CSME Connection, plus Mileage. The mileage is measured in airline miles from the CSME switch location to the ILEC (ICO) meet-point location.

GigE ICO Trunking Arrangement applies an ICO Trunk Connection Charge between the CSME switch location and the ICO meet-point location that is shared with the ILEC (ICO) Ethernet switch. The ICO Trunk Connection Charge is applied to each customer Ethernet

(D) (D)

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AT&T NEVADA GUIDEBOOK

ATT TN NV-13-0035 EFFECTIVE: November 15, 2013

6.9 OTHER CENTRAL OFFICE SERVICES 6.9.5. CUSTOMIZED SWITCHED METRO ETHERNET (CSME) SERVICE (Cont’d)

E. RATES AND CHARGES

Monthly Payment

Term Payment Plans

Description /USOC/ Nonrecurring Charge 36 Months 60 Months/2/ Monthly Extension Standard Charges Usage, Port, Transport, Interface, each customer location 10 Mbps Connection /P9FYX/ - Subsequent 10 Mbps Connection/1/ /P9FZX/ 100 Mbps Connection /P9FKX/ - Subsequent 100 Mbps Connection/1/ /P9FPX/ 1 Gbps Connection /P9FLX/ Optional Charges Repeater - each /VU4/ $1,600.00 1,150.00 1,925.00 1,200.00 2,500.00 250.00 $1,170.00 950.00 1,665.00 1,200.00 3,220.00 400.00 $1,100.00 800.00 1,600.00 1,025.00 3,080.00 375.00 $1,550.00 1,200.00 2,500.00 1,560.00 3,900.00 475.00

/1/ Subsequent 10 Mbps or 100 Mbps Connections must terminate at the same locations as the original 10 Mbps or 100 Mbps Connections.

/2/ Effective November 15, 2013, customers may not establish new term plans greater than 36 months for CSME Service, and existing term plans greater than 36 months may not be renewed or extended

for a term greater than 36 months. (N)

(N) (N) (C) (C) (C) (C)

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6.9 OTHER CENTRAL OFFICE SERVICES 6.9.5. CUSTOMIZED SWITCHED METRO ETHERNET (CSME) SERVICE (Cont’d) E. RATES AND CHARGES (cont’d)

Description /USOC/

Nonrecurring Charge

Monthly Price Optional Charges (cont’d)

Ethernet Virtual Connection (EVC) - per connection /EVNDE/ Additional MAC Addresses

- 151-200 MAC addresses /M2CAX/ Service Order Cancellation

- per location /OCGEO/ Expedite Order Charge - per location /EODEO/ Service Order Change Charge

- applies to Bandwidth Usage Changes, EVC Changes and Configuration Changes for pending, initial service orders, per location /NHCEO/

Miscellaneous Change Charge

- applies to Bandwidth Usage Changes, EVC Changes and Configuration Changes for subsequent changes to existing service, per location /NHCEN/

$ 70.00 70.00 200.00 300.00 75.00 100.00 $ 25.00 5.00 -- -- -- --

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PART 6 - Central Office Services First Revised Sheet 23.1

6.9.5. CUSTOMIZED SWITCHED METRO ETHERNET (CSME) SERVICE (Cont’d) E. RATES AND CHARGES (cont’d)

Nonrecurring Monthly

Description Charge Price

Optional Charges (cont’d) Meet-Point Billing Options

- Direct LEC Connection, Mileage

Above 0 and inclusive of 10 miles $1,200.00 $500.00

Above 10 and inclusive of 25 miles 1,200.00 1,000.00

Monthly Payment

Term Payment Plans

Nonrecurring 36 60 Monthly

Description Charge/1/ Months Months/2/ Extension

- GigE ICO Trunking Arrangement ICO Trunk Connection Charge, per EVC

10 Mbps $525.00 $420.00 $360.00 $660.00

100 Mbps 800.00 840.00 720.00 1,290.00

1 Gbps 1,100.00 4,830.00 4,100.00 7,360.00

/1/ Nonrecurring charges will be waived for those customers selecting the 36 or 60 month Term Payment Plan (TPP) period for new service.

/2/ Effective November 15, 2013, customers may not establish new term plans greater than 36 months for CSME Service, and existing term plans greater than 36 months may not be renewed or extended for a term greater than 36 months.

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AT&T NEVADA GUIDEBOOK

PART 6 - Central Office Services Original Sheet 23.2

6.9.5. CUSTOMIZED SWITCHED METRO ETHERNET (CSME) SERVICE (Cont’d) E. RATES AND CHARGES (cont’d)

Monthly

Description Price

Optional Charges (cont’d)

Meet-Point Billing Options (cont’d)

- GigE ICO Trunking Arrangement (cont’d) ICO Trunk Mileage, per EVC

Above 0 and inclusive of 10 miles N/A

Above 10 and inclusive of 25 miles

10 Mbps $170.00

100 Mbps 375.00

1 Gbps 1,500.00

10 Mbps 270.00

100 Mbps 675.00

1 Gbps 1,750.00

10 Mbps 410.00

100 Mbps 1,100.00

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AT&T NEVADA GUIDEBOOK

6.9 OTHER CENTRAL OFFICE SERVICES 6.9.5. CUSTOMIZED SWITCHED METRO ETHERNET (CSME) SERVICE (Cont’d)

F. TERM PRICING PLAN

1. Recurring rates may be applied only over a 36 or 60/1/ month period under the terms and conditions of the Term Pricing Plan (TPP). Upon completion of a TPP, a customer’s service will automatically convert to the Monthly Extension rates unless the customer requests a new TPP. No customer shall purchase CSME Service on a month-to-month basis prior to the completion of a TPP.

2. The TPP provides for 36 or 60/1/ month rate stabilization. Decreases in term monthly recurring Guidebook rates will be passed on to customers who participate in a TPP. Should the

Company increase its rates during the TPP period, the customer would continue to pay the rates in effect at the time the customer elected to establish service under the TPP.

3. The customer may choose to terminate an existing TPP before the end of the 36 or 60/1/ month period and negotiate a new 36 or 60/1/ month TPP. The new TPP must be based upon the rates that are currently in effect and available to all customers.

4. The customer must provide the Company with a written notice of intent to renew a TPP no later than 90 days prior to its expiration. If the customer elects not to renew the TPP, or does not notify the Company of the customer’s intent to renew the TPP, the service will

automatically be billed under the Guidebook monthly extension rates in effect at the time that TPP expires. Subsequently, customers under the Guidebook monthly extension rates may convert their existing service to either a 36 or 60/1/ month TPP. Nonrecurring charges will be waived at the time of conversion.

5. Any Special Construction charges incurred for services billed under a TPP will be applicable. 6. If the customer terminates the TPP agreement prior to the expiration of the service term, the

customer shall pay a termination charge. Payment of the termination charge does not release the customer from other previous amounts owed to the Company. In addition to any unpaid Special Construction or nonrecurring charges (excluding any waived charges), Termination Charges will be equal to:

- Fifty percent (50%) of all recurring charges for the remaining months of the customer’s term.

/1/ Effective November 15, 2013, customers may not establish new term plans greater than 36 months for CSME Service, and existing term plans greater than 36 months may not be renewed or extended

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6.9 OTHER CENTRAL OFFICE SERVICES 6.9.5. CUSTOMIZED SWITCHED METRO ETHERNET (CSME) SERVICE (Cont’d)

F. TERM PRICING PLAN (cont’d)

7. Customers may move their existing service to a new location without incurring Termination Charges provided all of the following conditions are met:

- The customer maintains the existing TPP at the new location or establishes a new TPP equal to or greater than the old location;

- During the TPP, a customer may move a CSME Service location to another premises in the same LATA and keep the TPP in force without assessment of Termination Charges, provided no lapse in billing occurs;

- The customer’s request for disconnect at the existing location and the request for service at the new location are received at the same time, and the customer’s disconnect order for the existing service references the new connect order for the new service;

- Moves of one location to a premise in a different serving office may result in a change in the monthly charges. Nonrecurring charges as appropriate are applicable;

- If the customer moves more than one location of the service concurrently, the customer will be liable for Termination Charges, as this is considered a complete disconnect of the service.

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AT&T NEVADA GUIDEBOOK

PART 6 - Central Office Services Third Revised Sheet 26

6.9.5. CUSTOMIZED SWITCHED METRO ETHERNET (CSME) SERVICE (Cont’d) F. TERM PRICING PLAN (Cont'd)

8. Customers will be permitted to upgrade from CSME Service to any future Switched Ethernet products offered by the Company, without incurring Termination Charges, given all the following conditions are met:

- The customer must issue a disconnect order for the existing CSME locations and place a new service order for the new Switched Ethernet offering at the same locations.

Termination Charges for CSME Service at the current locations will be waived.

- The term of the new Switched Ethernet service contract must be equal to or greater than the remaining time left on the existing CSME contract.

- The existing CSME Service must have been in service for a minimum period of 15 months for a 3-year contract or 18 months for a 5-year contract.

- Upgrades are contingent on availability of fiber from premises to premises, and the availability of the new Switched Ethernet service in the serving area. Other Special Construction charges, as necessary, may apply.

9. Migration to AT&T Switched Ethernet ServiceSM

A customer may migrate from CSME Service to AT&T Switched Ethernet Service without incurring Termination Charges, given all of the following conditions are met:

– The customer must issue a disconnect order for their existing CSME service and place a service order for AT&T Switched Ethernet Service. If over-lapping service is required, billing will apply.

– Standard nonrecurring charges to install AT&T Switched Ethernet Service, if applicable, will apply.

– The term of the new contract must be equal to or greater than the remaining time left on the existing CSME contract.

– The new AT&T Switched Ethernet Service and the CSME service must be billed to the same customer of record at the same location(s).

– The customer’s existing CSME service must have been in service at least 12 months. – Migration is contingent on availability of fiber and equipment to serve the location being

migrated.

– Other Special Construction charges, as necessary, may apply.

– If Special Construction charges were applicable to the existing CSME service being replaced, and those charges were not already paid, they must be carried forward to the new AT&T Switched Ethernet Service contract.

SM

AT&T Switched Ethernet Service is a service mark of AT&T Intellectual Property.

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AT&T NEVADA GUIDEBOOK

SECTION 9 - Other Central Office Services AT&T SWITCHED ETHERNET SERVICESM

A. Description

AT&T Switched Ethernet Service is a switched Ethernet transport service providing Ethernet transport functionality using fiber and copper access facilities and a switched Ethernet core network. AT&T Switched Ethernet Service provides full duplex transport of data signals between a Customer’s premises/1/ and an Ethernet switch in a Company central office.

AT&T Switched Ethernet Service supports point-to-point, point-to-multipoint or multipoint-to-multipoint configurations. Point-to-point service provides a connection between two ports. Point-to-multipoint service provides multiple point-to-point connections to multiple ports in the network. Multipoint-to-multipoint service provides a connection between three or more designated ports on the AT&T Switched Ethernet Service network.

The Company shall determine the interface specifications for AT&T Switched Ethernet Service in its sole discretion. Customers may obtain the interface specifications from their account representatives. AT&T Switched Ethernet Service provides intraLATA transport service where suitable equipment and facilities are available. Where facilities are not available, facilities may be constructed, subject to certain conditions as determined by the Company. Special Construction charges may apply. AT&T Switched Ethernet Service is available in two serving arrangements, the Basic Service

Arrangement and the Per Packet Class of Service (PPCoS) Arrangement, and two types of Customer port connections, Basic Ports and Per Packet Class of Service Ports. Service will be provisioned using the service components described below. Unless specifically stated otherwise, all references to Customer Port Connections or ports shall be deemed to refer to Basic Ports and PPCOS Ports. Basic Service Arrangement

This type of service provides transport of data using a fixed class of service for each Ethernet virtual connection.

The Customer must select a CIR for each Basic Port. The CIR for the Basic Service Arrangement has five choices for fixed CoS. The CIR selected cannot exceed the Customer Port Connection capacity. The table below shows the CIR available for each Customer Port Connection.

Customer Port Connection CIR Bandwidth Supported 100 Mbps 2 Mbps – 100 Mbps 1 Gbps 2 Mbps – 1000 Mbps 10 Gbps 1000 Mbps – 10,000 Mbps

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AT&T NEVADA GUIDEBOOK

ATT TN 2053 EFFECTIVE: February 16, 2013

AT&T SWITCHED ETHERNET SERVICE (Cont’d)

A. Description (Cont’d)

Basic Service Arrangement (Cont’d) Basic Customer Port Connection (Basic Port)

This component provides the physical transport facilities from the Customer’s premises to an Ethernet switch at the Company central office. The Customer Port Connection is available at transmission speeds of 100 Mbps, 1 Gbps and 10 Gbps.

Committed Information Rate (CIR) and Class of Service (CoS)

CIR, sometimes referred to as the “Logical Channel” of the port, provides the bandwidth available on a Customer Port Connection. CIR is available per Customer Port Connection in increments ranging from 2 Mbps to 10,000 Mbps. CIR is offered with multiple choices for CoS. CoS establishes the performance characteristics of the network that are suitable for certain applications. Each Customer Port Connection (port) has a single CIR and CoS associated with it. CoS options are listed as a hierarchy, from “highest” to “lowest” based on network prioritization and performance as follows:

Real-Time: Supports applications that require minimal loss, are latency-sensitive and require low latency variation (jitter), including voice and video. The service parameters associated with Real-Time CoS are Packet Delivery Rate (PDR), Latency, Jitter and Network Availability.

Interactive: Supports high-priority business data applications or jitter-sensitive applications such as voice and video. The service parameters associated with Interactive CoS are PDR, Latency, Jitter and Network Availability.

Business Critical-High: Supports most business data applications with moderate tolerance for delay and which are more sensitive to jitter and have a higher priority than Business Critical-Medium. The service parameters associated with Business Critical-High CoS are PDR, Latency, and Network Availability.

Business Critical-Medium: Supports most business data applications with moderate tolerance for delay and which are less sensitive to jitter. The service parameters associated with Business Critical-Medium CoS are PDR, Latency, and Network Availability.

Non-Critical High: Supports low priority business applications with more tolerance for delay and availability. The service parameters associated with Non-Critical High CoS are PDR, Latency, and Network Availability.

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Basic Service Arrangement (Cont’d) Ethernet Virtual Circuits (EVC)

An EVC provides a logical connection to enable the flow of Ethernet traffic for point-to-point and multipoint Customer configurations. Standard EVCs are not billed to the Customer as a separate rate element. Each EVC is assigned a CIR and CoS that must be equal to or lower than the CIR and CoS of the Port.

Point-to-point connections EVCs can be set in 1 Mbps increments from 1 Mbps to 2000 Mbps. Multipoint EVCs can be set in 1 Mbps increments from 1 Mbps to 1000 Mbps. Requests for EVC CIR above these limits will be evaluated on an Individual Case Basis, taking into consideration factors such as facility conditions and the impact of the requested configuration on network performance. The total assigned bandwidth (sum of the CIR for all EVCs) on a single port cannot exceed the selected CIR of that port.

Point-to-point EVCs must be symmetrical; the EVC CIR at each port must be the same.

For multipoint EVCs, the CIR for any EVC may be set according to the bandwidth needed at that port and does not need to be the same at all ports. Ports that do not meet SLA objectives due to

overloading of traffic in a multipoint arrangement will not be eligible for the PDR SLA.

The aggregate assigned CIR for all EVCs between any two Customer Port Connections cannot exceed 2000 Mbps (for point-to-point EVCs) or 1000 Mbps (for multipoint EVCs), except when approved on an Individual Case Basis.

The following chart provides the maximum number of EVCs supported for point-to-point and multipoint configurations on each Customer Port Connection:

Per Customer

Port Connection EVCs

100 Mbps Up to 8 EVCs

1 Gbps Up to 64 EVCs

Customers may configure EVCs as point-to-point (connecting two locations) or as multipoint

(connecting three or more locations), as defined above. Point-to-point EVCs (i.e. EVCs between two ports) can be associated with an unlimited number of MAC addresses. Multipoint EVCs (i.e., EVCs

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AT&T NEVADA GUIDEBOOK

Per Packet Class of Service Arrangement

This service arrangement provides transport of data with variable Classes of Service within an Ethernet virtual connection, using a feature called “Per Packet Class of Service” or “PPCoS”. With this serving arrangement, the Customer applies a priority identifier to each Ethernet frame (packet) within an EVC, and the packet is given the associated CoS priority level within the AT&T network. The PPCoS Service Arrangement is offered where suitable facilities exist, and may not be available at all locations for which the Basic Service Arrangement is available.

The Customer must select a CIR for each PPCoS Port. The CIR for the PPCoS Service Arrangement has four “packages” that specify the maximum percentage of traffic that may be assigned a given Class of Service in a variety of combinations. Customers may select a PPCoS CIR package that best matches the characteristics of their data and its associated priority levels. The CIR selected cannot exceed the Customer Port Connection capacity. The table below shows the CIR available for each Customer Port Connection.

Customer Port Connection CIR Bandwidth Supported 100 Mbps 2 Mbps – 100 Mbps 1 Gbps 2 Mbps – 1000 Mbps 10 Gbps 1000 Mbps – 10,000 Mbps

PPCoS Customer Port Connection (PPCoS port)

This component provides the physical transport facilities from the Customer’s premises to an Ethernet switch at the Company central office. The Customer Port Connection is available at transmission speeds of 100 Mbps, 1 Gbps and 10 Gbps.

Committed Information Rate (CIR) and Class of Service (CoS) Packages

CIR, sometimes referred to as the “Logical Channel” of the port, provides the bandwidth available on a Customer Port Connection. CIR is available per Customer Port Connection in increments ranging from 2 Mbps to 10,000 Mbps.

Under the PPCoS Service Arrangement, CIR is offered in “packages” that specify the maximum percentage of traffic that may be assigned a given Class of Service in a variety of combinations. Each PPCoS port will be ordered with one PPCoS CIR package. Customers may select a PPCoS CIR package that best matches the characteristics of their data and its associated priority levels.

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AT&T NEVADA GUIDEBOOK

Per Packet Class of Service Arrangement (Cont’d)

Committed Information Rate (CIR) and Class of Service (CoS) Packages (Cont’d) PPCoS Packages (listed in hierarchical order from highest priority to lowest priority):

Multimedia High: Allows Customer to designate up to 100% of port CIR as “Real Time” and remaining percentage (if any) can be divided among any/all CoS (below Real Time) as ordered./1/

Multimedia Standard: Allows Customer to designate up to 50% of port CIR as “Real Time” and remaining percentage can be divided among any/all CoS (below Real Time) as ordered./1/

Critical Data: Allows Customer to designate up to 80% of port CIR as “Business Critical - High” and remaining percentage can be divided among any/all CoS (below Business Critical - High) as ordered./1/

Business Data: Allows Customer to designate up to 90% of port CIR as “Business Critical - Medium” and remaining percentage can be divided among any/all CoS (below Business Critical - Medium) as ordered./1/

Per Packet Class of Service – Classes of Service

The PPCoS CIR packages are provisioned on PPCoS ports and allow the Customer to apply a CoS priority indicator to each Ethernet frame (packet) and AT&T will route the packet with the assigned CoS priority. The Customer-assigned priority will signify which of the following six Classes of Service the Company will apply to that frame. PPCoS Ports support the same Classes of Service as are supported by the Basic Service Arrangement, plus an additional Class of Service (Non-Critical – Low) as described below. CoS options are listed as a hierarchy, from “highest” to “lowest” based on network prioritization and performance as follows (with Non-Critical Low supporting the lowest priority traffic):

Real-Time Interactive

Business Critical – High Business Critical – Medium Non-Critical High

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AT&T NEVADA GUIDEBOOK

Per Packet Class of Service Arrangement (Cont’d) PPCoS Scheduling Method

PPCoS ports can be ordered in one of two available configurations in order to support different “scheduling methods”. The AT&T Switched Ethernet Service network components will create a separate queue for each CoS served according to its weight/priority to ensure that higher CoS packets are prioritized over lower, but that even the lowest CoS is not “starved”.

Port-Level Scheduling – Under this method, the Company will prioritize all traffic on the port using a single queue schedule, so that the specified percentages of each priority are allowed to transit the network. This is the only option applicable to “port-based” service. This method can also be used for VLAN-based ports if the Customer desires CoS priority to be applied as a single queue at the port level.

VLAN Level Scheduling – Under this method, there are individual scheduling queues for each VLAN on the port and the priority or volume of packets on one VLAN have no impact on another VLAN. This may be appropriate when the Customer needs each VLAN to have its own

prioritization schedule without impacting other VLANs on the port.

Requests to change the type of PPCoS Scheduling Method of an existing port may require a new port to be ordered.

Ethernet Virtual Circuits (EVC)

An EVC provides a logical connection to enable the flow of Ethernet traffic for point-to-point and multipoint Customer configurations. Standard EVCs are not billed to the Customer as a separate rate element. Each EVC is assigned a CIR that must be equal to or lower than the CIR of the Port. Under the PPCoS serving arrangement, each EVC must also be given a CoS profile specifying the

proportion of each desired CoS (% of each CoS) on that EVC. The CoS allocation must be within the limits of the CIR package subscribed to on that PPCoS port.

Point-to-point EVCs can be set in 1 Mbps increments from 1 Mbps to 2000 Mbps. Multipoint EVCs can be set in 1 Mbps increments from 1 Mbps to 1000 Mbps. Requests for EVC CIR above these limits will be evaluated on an Individual Case Basis, taking into consideration factors such as facility conditions and the impact of the requested configuration on network performance.

The total assigned bandwidth (sum of the CIR for all EVCs) on a single port cannot exceed the selected CIR of that port.

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AT&T NEVADA GUIDEBOOK

Per Packet Class of Service Arrangement (Cont’d) Ethernet Virtual Circuits (EVC) (Cont’d)

For multipoint EVCs, the CIR for any EVC may be set according to the bandwidth needed at that port and does not need to be the same at all ports. Ports that do not meet SLA objectives due to

overloading of traffic in a multipoint arrangement will not be eligible for the PDR SLA.

The aggregate assigned CIR for all EVCs between any two Customer Port Connections cannot exceed 2000 Mbps (for point-to-point EVCs) or 1000 Mbps (for multipoint EVCs), except when approved on an Individual Case Basis.

The following chart provides the maximum number of EVCs supported for point-to-point and multipoint configurations on each Customer Port Connection:

Per Customer

Port Connection EVCs

100 Mbps Up to 8 EVCs

Customers may configure EVCs as point-to-point (connecting two locations) or as multipoint

(connecting three or more locations), as defined above. Point-to-point EVCs (i.e. EVCs between two ports) can be associated with an unlimited number of MAC addresses. Multipoint EVCs (i.e., EVCs between three or more ports) will be limited to 250 MAC addresses per multipoint EVC on that port, unless the Customer purchases the Additional MAC Addresses optional feature. MAC addresses associated with point-to-point EVCs do no count against this limit. For example, a port that is provisioned with 3 separate multipoint EVCs may have up to 250 MAC addresses associated with each of those EVCs, for a total of 750 MAC addresses in use on that port, but each EVC is still limited to a maximum of 250 MAC addresses.

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ATT TN NV-13-0065 EFFECTIVE: December 1, 2013

B. Terms and Conditions

1. Unless otherwise specified in this section, the general terms and conditions of this Guidebook apply to AT&T Switched Ethernet Service. A Customer shall not be permitted to temporarily suspend service.

2. AT&T Switched Ethernet Service may be resold, but no resale discount from the Company shall be required or shall apply.

3. The Company may use controls to limit the amount of multicast, broadcast, and unknown unicast traffic to protect the AT&T Switched Ethernet Service network against traffic storms. The

maximum throughput of combined multicast / broadcast / unknown unicast traffic will be set at 2 Mbps per EVC on multipoint EVCs unless the Customer purchases the Enhanced Multicast optional feature described under Optional Features and Functions. There is no restriction on point-to-point or point-to-multipoint multicast traffic. Packets dropped by traffic controls are not included in SLA calculations. The Company recommends that Customers enable controls for multicast, broadcast, and unknown unicast traffic within the Customer network(s).

4. Frame Size

AT&T Switched Ethernet Service will be configured to support Ethernet frame sizes up to 9126 bytes on a 100 Mbps, 1 Gbps and 10 Gbps port. Frame sizes on 100 Mbps/2/ and 1 Gbps ports may be restricted to less than 9126 bytes when the port is provisioned with a CIR speed of 10 Mbps or less but will allow at least 1526 bytes.

5. Service Level Agreement (SLA)

a. Latency, Jitter and Packet Delivery Rate (PDR) SLA

Latency, Jitter and Packet Delivery Rate (PDR) are measured by averaging sample

measurements taken during a calendar month between the NTE to which the Customer ports are attached (i.e., end to end), when the AT&T Switched Ethernet Service network is

available for use by the Customer. The SLA service parameters are based on a LATA-wide average of the Customer’s one-way traffic traversing the NTE and the network. The SLA target for Latency and Jitter is to be not more than, and for PDR is to be not less than, the applicable amount set forth in the table below. Notwithstanding the foregoing, these SLA measurements do not include traffic to or from any ICO NNI Trunking Arrangement (described under Optional Features and Functions).

The following table displays the CoS SLA service parameters:

Class of Service

Service Measurement Latency (one-way) Jitter

Packet Delivery Rate (PDR)

Real Time 5 ms 3 ms 99.995%

Interactive 13 ms 10 ms 99.95%

Business Critical – High 20 ms n/a 99.9%

Business Critical – Medium 30 ms n/a 99.9%

Non-Critical High 50 ms n/a 99.5%

Non-Critical Low/1/ n/a n/a n/a

/1/ This CoS is only offered as part of the PPCoS Package.

/2/ 100 Mbps ports installed prior to December 1, 2013 may be limited to 1526 bytes.

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AT&T NEVADA GUIDEBOOK

B. Terms and Conditions (Cont’d)

5. Service Level Agreement (SLA) (Cont’d) b. Network Availability SLA

The SLA service parameter for Network Availability is to be not less than 99.99% for all ports regardless of Class of Service. Network Availability is calculated as the percentage of time during a month that the network is capable of accepting and delivering Customer data during the measurement period. Network Availability includes the Ethernet core network and the local loop, and the calculation excludes maintenance windows. The calculation for Network Availability for a given month is as follows:

Network Availability = [(24 hours x days in the month x 60 minutes x number of Customer ports in the LATA) – network outage time] / (24 hours x days in the month x 60 minutes x number of Customer ports in the LATA).

The Customer is responsible for (1) notifying the Company within 45 days after the end of the month when the Network Availability within the calendar month falls below the committed level, and (2) requesting a service credit.

Upon verification by the Company that the actual service performance for Network Availability was less than the committed level, the Customer will be provided a service credit equal to 10 percent of the Monthly Recurring Charge (MRC) for all affected ports.

c. Class of Service (CoS) SLA Credits

CoS SLA credits will be granted for AT&T Switched Ethernet Service if the Company fails to meet service parameters (i.e., Latency, Packet Delivery Rate (PDR) and Jitter) defined for each CoS, subject to the following terms and conditions:

1. The Customer must notify the Company when the service parameters within any calendar month fail to meet the committed level.

2. The Customer must request a service credit within 45 days after the end of the month when the failure occurred.

3. Upon verification by the Company that the actual service performance for that parameter failed to meet the committed level, the Company has one month to correct the problem. 4. If after one month, the service performance for that parameter is still failing to meet the

committed level, the Customer will be provided a service credit equal to 25% of the monthly recurring rate for all affected ports (for each of the SLAs other than Network Availability). Only one such credit, per port, shall be applied per calendar month.

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AT&T NEVADA GUIDEBOOK

B. Terms and Conditions (Cont’d)

5. Service Level Agreement (SLA) (Cont’d) d. SLA Exclusions

The SLA provisions, measurements, and eligibility for credit shall exclude conditions wherein service performance was adversely affected by any of the following conditions:

1. Any cause beyond the Company’s reasonable control (force majeure events) including, but not limited to, acts of war, civil disturbances, acts of civil or military authorities or public enemies, earthquakes, hurricanes, floods, fires, storms, tornadoes, explosions, lightning, power surges or failures, fiber cuts, strikes or labor disputes;

2. Failures of any structures, facilities or equipment on the Customer’s side of the demarcation point;

3. Interruptions caused by the negligence of the Customer;

4. Interruptions of a service during any period in which the Company is not afforded access to the premises where the service is terminated;

5. When the Company and the Customer negotiate the release of the service for (1) maintenance purposes, (2) to make rearrangements, or (3) to implement an order for a change in the service, a credit does not apply during the negotiated time of release; 6. Periods when the Customer elects not to release the service for testing and/or repair and

continues to use it on an impaired basis;

7. Data loss during the Company’s scheduled maintenance windows; 8. Data exceeding subscribed CIR; or

9. Failures of any structures, facilities or equipment provided by the Customer or its contractors, equipment vendors, or by any carrier or service provider other than the Company.

The total credit amount of any allowances for SLA Credits applicable in a given month shall not exceed 100% of the monthly recurring rate for the port and associated rate elements.

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AT&T NEVADA GUIDEBOOK

B. Terms and Conditions (Cont’d) 6. Service Element Descriptions

a. Basic Service Arrangement

Customer Port Connection (Basic Port)

EPP monthly rates apply, per port, for transmission speeds of 100 Mbps, 1 Gbps and 10 Gbps.

Class of Service (CoS), Committed Information Rate (CIR) The Customer must select a CIR for each Basic Port. b. Per Packet Class of Service (PPCoS) Arrangement

Customer Port Connection (PPCoS Port)

EPP monthly rates apply, per port, for transmission speeds of 100 Mbps, 1 Gbps and 10 Gbps.

Class of Service (CoS), Committed Information Rate (CIR) The Customer must select a CIR for each PPCoS Port. c. Optional Features and Functions

Additional MAC Addresses

A nonrecurring charge and EPP monthly rate apply, per port, for increasing the MAC address limit to 500 MAC addresses per Multipoint EVC.

Regenerator

EPP monthly rates, nonrecurring charges and Term Extension MTM rates apply to Regenerators, as applicable.

Alternate Serving Switch

EPP monthly rates apply for mileage from the alternate AT&T Switched Ethernet Service switch to the Customer’s premises serving wire center. Mileage is provided in four mileage bands up to 50 miles.

Direct LEC Additional Mileage

EPP monthly rates apply for mileage from the AT&T Switched Ethernet Service switch to the Meet Point providing connection to another ILEC. Mileage is provided in four mileage bands up to 50 miles.

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