Opal SIP Trunks
Greg Zweig
Traditional copper telephone trunks A broadband
connection provides data services
The providers for voice and data are often different
Voice trunks are often segregated based on dedicated functions
Legacy Enterprise Deployment
ISDN or Analog lines PBX/ IP-PBX Separate LAN/Data Network Fax Data Voice Gateways Gateways
What is the State of the Enterprise?
Cisco, Avaya, Microsoft, Mitel & Nortel have successfully sold the
value of IP-PBXs
IP is only intra enterprise
Still ISDN to the Service Provider
Enterprises often have a “hodgepodge” of solutions within the
corporation
Multiple vendors due to mergers or acquisitions Specialized vendors for call center, etc
Single vendor but mix of TDM & IP sites
Single vendor with different software releases H.323 and SIP with the migration to SIP
Pressure to reduce costs
Improve margins
Need to prove synergies from corporate mergers
Looking for partners that will help them deploy complex
technology without risking their business
Enterprises are forced to cook up solutions
The copper voice is replaced with a broadband SIP Trunk A single broadband connection, with
QoS, provides voice and data connectivity from a single
provider
Bandwidth can be better utilized and shared
Converged SIP Deployment
IP-PBX SIP Trunk Fax ATA ATA Combined Voice and Data
Network Combined Voice and Data
Network Service
Eliminates premise gateway hardware costs
Leverage buying power from one bandwidth provider Federate services between sites (master dial plan) Purchase only the channels required
Support high definition audio
Support mobile phone integration
Acquire enhanced hosted services from the network
Conferencing
Hosted Contact Center
SIP phones are in the official app store
Mobile Services for SIP Trunks
Android OS gives
Google even more opportunity to
commoditize voice
Cisco & Avaya let you connect via office PBX
Hosted Unified Communications
Unified Unified Communications Communications Instant Instant Messaging Messaging Presence Presence Click to Dial Click to Dial Telephony Telephony Management via ICP Management via ICPCall Control Call Control Calendar Calendar Contact Lists Contact Lists
Enterprise Interoperability Lab
Real World Network Deployment Experience
Multiple deployments in Tier 1 Service Providers
Connectivity via 10’s of thousands of PRIs and SIP Business Trunks to PBXs of all types
Sonus IP-PBX Lab:
Cisco: Call Manager 4.x (Windows) & CM 6.x (Linux) Cisco: Call Manager Express
Avaya: Communications Manager & IP Office Nortel: BCM 50 & CS1K
Asterisk
End-to-End Solution Testing with Sonus NBS
Testing SIP Trunking as a PRI replacement Multi-vendor PBX-to-PBX
What do I have?
PBX, router & firewall models & software releases
IP-PBX or Gateway to convert (e.g. Audio Codes, Mediatrix, Grandstream, Cisco, etc)
Router with QoS (Cisco, juniper, HP, etc)
SIP Aware Firewall? (Ingate or Edgewater, Cisco, Juniper) Trained VAR
Ask for references
Be sure you get a trained technician (not excuses)
Number portability may be slow
Schedule ahead (especially when if you are moving locations)
It may be reassuring to migrate trunks over time
Many ways to mitigate risk You have to plan
The amount of disruption will be inversely proportional to the planning and coordination of service providers and vendors Research your vendor choices
Select value over price
Time is often more important than money
Infonetics Research surveyed 92 North American organizations
October 2009 report
101 or more employees with both PBXs and key telephone
systems
Respondents had detailed knowledge of their organization’s PBX
trunking services
And have influence over the planning and purchase decision-making process for PBX trunking
The typical survey respondent organization spent between $100
thousand and $500 thousand per year on trunking services
39% of survey respondents have already deployed SIP trunking Respondents are deploying SIP trunking widely across their
organizations, and not just trialing at one or a few sites
SIP Trunking is expected to grow at 53% CAGR from 2009 to 2014 – Source Infonetics March 2010
IDC predicts a compound annual growth rate (CAGR) of 80.2% from 2008 to 2013 (for lines) and revenue is comparable, at just about 77%
Growth Worldwide
ISDN30 Today
BT Feature ISDN30 ISDN30e
Calling Line Identity Presentation (CLIP) Yes Yes
Presentation Number Yes Yes
Calling Line Identity Restriction (CLIR) Yes Yes
Connected line Identity Presentation (COLP) No Yes
Connected Line Identity Restriction (COLR) Yes Yes
Administration provided Basic Diversion –
voice only Yes No
Administration provided Diversion on Busy or
failure of BT bearer – voice only Yes No
Administration provided set up Call
Forwarding for all calls – voice only No Yes
Administration set up Call Forwarding on
Busy – voice and data No Yes
Administration set up Call Forwarding on No
Reply – voice and data No Yes
Administration provided permanent Outoing
Call Barring (OCB) Yes Yes
Customer Controlled Services* Diversions – not available across DDI (Basic,
Busy/failure, Ringtone No Reply) Yes No
Channel Busying Yes No
Call Barring Yes No
Customer controlled Call Forwarding No Yes
Administration provided Selective Outgoing Call Barring on:
•All calls
•International Calls and Premium Rate Services (PRS)
•National, International calls and PRS
•Operator calls
•International, Operator calls and PRS.
Yes Yes
Call Charge Indication Yes No
Sub Addresses Yes
(6 octet)
Yes (20 octet)
ISDN30 uses the BT signaling system DASS2 (no longer offered to new customers)
ISDN30e uses the Q931 signaling system which conforms to the worldwide ITU-T standard.
The Calling Features on these systems are different, as shown in the table.
ISDN30 uses the BT signaling system DASS2 (no longer offered to new customers)
ISDN30e uses the Q931 signaling system which conforms to the worldwide ITU-T standard.
The Calling Features on these systems are different, as shown in the table.
BT charges about £15 per month per channel
Typically £1,500 to £2,300 per ISDN30 install
Most competition is resale of BT service