Call Load Testing
This topic provides an overview of the call loads that were tested with various site models during Cisco Unified Communications Release 7.0(1) testing for IP telephony. It includes information for calls made within various site models (intracluster) and for calls made between site models (intercluster). During call load testing, the busy hour call attempt (BHCA) rates described in this topic were sustained for five consecutive days.
Note The information in this topic represents tested call rates, not the maximum call rate capabilities of the system. Also, call load testing was performed with all components configured with detailed trace levels. This topic includes the following sections:
• Very Large Campus with Clustering over the WAN (SJC-RFD) Load Testing
• Multisite Centralized, Clustering over the WAN with Unified SRST (SFO-ORD) Load Testing • Large SIP Site (DFW) Load Testing
• Cisco Communications Manager 7.0(1) Interoperability Site (RDU) Load Testing • Cisco CallManager 4.2(3) Interoperability Site (NYC) Load Testing
• Small Campus SIP Unified Communications Manager Express Site (ATL) Load Testing • Small Campus H.323 Unified Communications Manager Express Site (YYZ) Load Testing • Medium Business with Remote Locations (AZO) Load Testing
Very Large Campus with Clustering over the WAN (SJC-RFD)
Load Testing
This section describes call load testing for calls originating or terminating in the San Jose (SJC) site or the Rockford (RFD) site in the Very Large Campus with Clustering over the WAN site model. The BHCA grand total tested for the SJC-RFD cluster was 79,650 busy hour call attempts. Table 1 shows the BHCA for various call types and call scenarios between different endpoints. In addition to the call scenarios shown, the Cisco Unified Presence Server in the SJC-RFD cluster maintained 1,000 active logins from Cisco IP Phone Messenger clients and monitored 1,000 user presence states.
Call Load Testing Very Large Campus with Clustering over the WAN (SJC-RFD) Load Testing
Note Some intercluster calls show different BHCA values for the two clusters involved in the call. This situation occurs because a conference, hold, or transfer supplementary service is initiated at one of these clusters resulting in additional call processing (higher BHCA value) in that cluster.
Table 1 Very Large Campus with Clustering over the WAN Site Model (SJC-RFD) Load Testing
Call Type Call Scenario
SJC-RFD BHCA1 SFO-ORD BHCA DFW BHCA RDU BHCA NYC BHCA ATL BHCA YYZ BHCA Intracluster calls
SJC IP phone to SJC Cisco Unified Contact Center Express
2,800 SJC IP phone to SJC Cisco Unified
MeetingPlace
4,095 SJC IP phone to SJC Cisco Unity 4,725 SJC IP phone to SJC IP phone 756 SJC IP phone to SJC IP phone (blind transfer) 945 SJC IP phone to SJC IP phone (consult
transfer)
945 SJC IP phone to SJC IP phone (hold) 1,344 SJC IP phone to SJC IP phone (conference) 890 SJC encrypted IP phone to SJC encrypted
IP phone
1,260 SJC encrypted IP phone to SJC encrypted
IP phone (blind transfer)
315 SJC encrypted IP phone to SJC encrypted
IP phone (consult transfer)
441 SJC encrypted IP phone to SJC encrypted
IP phone (hold)
840 SJC encrypted IP phone to SJC encrypted
IP phone (conference)
840 SJC video IP phone to SJC video IP phone 1,995 SJC video IP phone to SJC video IP phone
(blind transfer)
441 SJC video IP phone to SJC video IP phone (consult transfer)
272 SJC video IP phone to SJC video IP phone (hold)
1,260 SJC video IP phone to SJC video IP phone
(conference)
504 SJC CUPC IP phone to SJC CUPC IP phone 1,029 SJC IP phone to SJC PSTN2 to SJC PSTN to IP phone
32,928 SJC IP phone to SJC PSTN (blind transfer) to
SJC PSTN to IP phone
Call Load Testing
Very Large Campus with Clustering over the WAN (SJC-RFD) Load Testing
SJC IP phone to SJC PSTN (consult transfer) to SJC PSTN to IP phone 1932 SJC IP phone to SJC PSTN (hold) to SJC PSTN to IP phone 126 SJC IP phone to SJC PSTN (conference) to SJC PSTN to IP phone 3,150 SJC IP phone to SJC analog (6624) 1,344 SJC IP phone to SJC analog (Cisco VG224/
Cisco VG248)
2,352 SJC IP phone to SJC encrypted PSTN to SJC PSTN to IP phone
756 SJC IP phone to SJC encrypted PSTN (blind transfer) to SJC PSTN to IP phone
504 SJC IP phone to SJC encrypted PSTN
(consult transfer) to SJC PSTN to IP phone 504 SJC IP phone to SJC encrypted PSTN
(conference) to SJC PSTN to IP phone
378 Intracluster BHCA Subtotal 72,023 Intercluster
calls
SJC/RFD IP phone to ICT to SFO ICT to IP phone
147 147
SJC/RFD IP phone to ICT (blind transfer) to SFO ICT to IP phone
63 21
SJC/RFD IP phone to ICT (consult transfer) to SFO ICT to IP phone
189 63
SJC IP phone to ICT (hold) to SFO ICT to IP phone
126 63
SJC/RFD IP phone to ICT (conference) to SFO ICT to IP phone
269 90
SJC IP phone to ICT to ORD ICT to IP phone 158 158 SJC/RFD IP phone to ICT (blind transfer) to
ORD ICT to IP phone
252 84
SJC/RFD IP phone to ICT (consult transfer) to ORD ICT to IP phone
126 42
SJC IP phone to ICT (hold) to ORD ICT to IP phone
168 84
SJC/RFD IP phone to ICT (conference) to ORD ICT to IP phone
84 28
SJC IP phone to ICT3 to DFW ICT to IP phone
559 559
SJC IP phone to ICT (blind transfer) to DFW 315 105
Table 1 Very Large Campus with Clustering over the WAN Site Model (SJC-RFD) Load Testing (continued)
Call Type Call Scenario
SJC-RFD BHCA1 SFO-ORD BHCA DFW BHCA RDU BHCA NYC BHCA ATL BHCA YYZ BHCA
Call Load Testing Very Large Campus with Clustering over the WAN (SJC-RFD) Load Testing
SJC/RFD IP phone to ICT (consult transfer) to DFW ICT to IP phone
315 105
SJC IP phone to ICT (hold) to DFW ICT to IP phone
319 160
SJC IP phone to ICT (conference) to DFW ICT to IP phone
319 106
SJC/RFD IP phone to ICT to RDU ICT to IP phone
210 210
SJC/RFD IP phone to ICT (blind transfer) to RDU ICT to IP phone
105 35
SJC/RFD IP phone to ICT (consult transfer) to RDU ICT to IP phone
101 34
SJC/RFD IP phone to ICT (hold) to RDU ICT to IP phone
109 55
SJC/RFD IP phone to ICT (conference) to RDU ICT to IP phone
101 34
SJC/RFD IP phone to ICT to NYC ICT to IP phone
420 420
SJC/RFD IP phone to ICT (blind transfer) to NYC ICT to IP phone
105 35
SJC/RFD IP phone to ICT (consult transfer) to NYC ICT to IP phone
101 34
SJC/RFD IP phone to ICT (hold) to NYC ICT to IP phone
109 55
SJC/RFD IP phone to ICT (conference) to NYC ICT to IP phone
101 34
SJC/RFD IP phone to ICT to ATL ICT to IP phone
67 67
SJC/RFD IP phone to ICT to YYZ ICT to IP phone
34 34
SJC/RFD IP phone to ICT (blind transfer) to YYZ ICT to IP phone
13 4
SJC/RFD IP phone to ICT (consult transfer) to YYZ ICT to IP phone
13 4
SJC/RFD IP phone to ICT (hold) to YYZ ICT to IP phone
8 4
SJC/RFD IP phone to ICT (conference) to YYZ ICT to IP phone
21 7
SFO/ORD IP phone to ICT to SJC ICT to IP phone
294 294
Table 1 Very Large Campus with Clustering over the WAN Site Model (SJC-RFD) Load Testing (continued)
Call Type Call Scenario
SJC-RFD BHCA1 SFO-ORD BHCA DFW BHCA RDU BHCA NYC BHCA ATL BHCA YYZ BHCA
Call Load Testing
Very Large Campus with Clustering over the WAN (SJC-RFD) Load Testing
SFO/ORD IP phone to ICT (blind transfer) to SJC ICT to IP phone
42 126
SFO/ORD IP phone to ICT (consult transfer) to RFD ICT to IP phone
42 126
SFO/ORD IP phone to ICT (hold) to RFD ICT to IP phone
42 84
SFO/ORD IP phone to ICT (conference) to SJC ICT to IP phone
28 84
SFO/ORD IP phone to ICT to RFD ICT to IP phone
273 273
SFO/ORD IP phone to ICT (blind transfer) to RFD ICT to IP phone
42 126
SFO/ORD IP phone to ICT (consult transfer) to RFD ICT to IP phone
42 126
SFO/ORD IP phone to ICT (hold) to RFD ICT to IP phone
63 126
SFO/ORD IP phone to ICT (conference) to RFD ICT to IP phone
56 168
DFW IP phone to ICT to SJC ICT to IP phone 281 281 DFW IP phone to ICT (blind transfer) to RFD
ICT to IP phone
46 139
DFW IP phone to ICT (consult transfer) to RFD ICT to IP phone
46 139
DFW IP phone to ICT (hold) to RFD ICT to IP phone
72 143
DFW IP phone to ICT (conference) to RFD ICT to IP phone
45 134
RDU IP phone to ICT to RFD ICT to IP phone 559 559
NYC IP phone to ICT to RFD ICT to IP phone 559 559
ATL IP phone to ICT to SJC ICT to IP phone 34 34
YYZ IP phone to ICT to RFD ICT to IP phone 34 34
Intercluster BHCA Subtotals 7,627 2,313 1,871 926 1,136 104 88
BHCA Grand Total for SJC-RFD Sites 79,650
1. BHCA = busy hour call attempts.
2. PSTN = public switched telephone network. 3. ICT = intercluster trunk.
Table 1 Very Large Campus with Clustering over the WAN Site Model (SJC-RFD) Load Testing (continued)
Call Type Call Scenario
SJC-RFD BHCA1 SFO-ORD BHCA DFW BHCA RDU BHCA NYC BHCA ATL BHCA YYZ BHCA
Call Load Testing Multisite Centralized, Clustering over the WAN with Unified SRST (SFO-ORD) Load Testing
Multisite Centralized, Clustering over the WAN with Unified
SRST (SFO-ORD) Load Testing
This section describes call load testing for calls originating or terminating in the Unified SRST sites in the Multisite Centralized, Clustering over the WAN with Unified SRST (SFO-ORD) site model. The BHCA grand total tested for the SFO-ORD cluster was 32,849 busy hour call attempts. Table 2 shows the number of BHCA that were made from and to various sites and endpoints. This table shows BHCA for various call types and call scenarios.
Note Some intercluster calls show different BHCA values for the two clusters involved in the call. This situation occurs because a conference, hold, or transfer supplementary service is initiated at one of these clusters resulting in additional call processing (higher BHCA value) in that cluster.
Table 2 Load Testing for Multisite Centralized, Clustering over the WAN with Unified SRST Site Model
Call Type Call Scenario
SJC/RFD BHCA1 SFO/ORD BHCA DFW BHCA RDU BHCA NYC BHCA ATL BHCA YYZ BHCA Intracluster calls
SFO IP phone to SFO IP phone 2,520
SFO IP phone to SFO IP phone (blind transfer)
252 SFO IP phone to SFO IP phone (consult
transfer)
252 SFO IP phone to SFO IP phone (hold) 210 SFO IP phone to SFO IP phone (conference) 672 SFO IP phone to SFO PSTN2 to SFO PSTN
to IP phone
16,674 SFO IP phone to SFO PSTN (blind transfer)
to SFO PSTN to IP phone
560 SFO IP phone to SFO PSTN (consult
transfer) to SFO PSTN to IP phone
560 SFO IP phone to SFO PSTN (hold) to SFO
PSTN to IP phone
588 SFO IP phone to SFO PSTN (conference) to
SFO PSTN to IP phone
1,120 SFO IP phone to SFO Unity Connection 1,125 Intracluster BHCA Subtotal 24,533 Intercluster
calls
SJC IP phone to ICT to SFO ICT to IP phone 147 147 SJC/RFD IP phone to ICT (blind transfer) to
SFO ICT to IP phone
63 21
SJC/RFD IP phone to ICT (consult transfer) to SFO ICT to IP phone
Call Load Testing
Multisite Centralized, Clustering over the WAN with Unified SRST (SFO-ORD) Load Testing
SJC/RFD IP phone to ICT (hold) to SFO ICT to IP phone
126 63
SJC/RFD IP phone to ICT (conference) to SFO ICT to IP phone
269 90
SJC/RFD I IP phone to ICT to ORD ICT to IP phone
158 158
SJC/RFD IP phone to ICT (blind transfer) to ORD ICT to IP phone
252 84
SJC/RFD IP phone to ICT (consult transfer) to ORD ICT to IP phone
126 42
SJC/RFD I IP phone to ICT (hold) to ORD ICT to IP phone
168 84
SJC/RFD IP phone to ICT (conference) to ORD ICT to IP phone
84 28
SFO/ORD IP phone to ICT to SJC ICT to IP phone
294 294
SFO/ORD IP phone to ICT (blind transfer) to SJC ICT to IP phone
42 126
SFO/ORD IP phone to ICT (consult transfer) to SJC ICT to IP phone
42 126
SFO/ORD IP phone to ICT (hold) to SJC ICT to IP phone
42 84
SFO/ORD IP phone to ICT (conference) to SJC ICT to IP phone
28 84
SFO/ORD IP phone to ICT to RFD ICT to IP phone
273 273
SFO/ORD IP phone to ICT (blind transfer) to RFD ICT to IP phone
42 126
SFO/ORD IP phone to ICT (consult transfer) to RFD ICT to IP phone
42 126
SFO/ORD IP phone to ICT (hold) to RFD ICT to IP phone
63 126
SFO/ORD IP phone to ICT (conference) to RFD ICT to IP phone
56 168
SFO/ORD IP phone to ICT to DFW ICT to IP phone
840 840
SFO/ORD IP phone to ICT (blind transfer) to DFW ICT to IP phone
252 84
SFO/ORD IP phone to ICT (consult transfer) to DFW ICT to IP phone
252 84
Table 2 Load Testing for Multisite Centralized, Clustering over the WAN with Unified SRST Site Model (continued)
Call Type Call Scenario
SJC/RFD BHCA1 SFO/ORD BHCA DFW BHCA RDU BHCA NYC BHCA ATL BHCA YYZ BHCA
Call Load Testing Multisite Centralized, Clustering over the WAN with Unified SRST (SFO-ORD) Load Testing
SFO/ORD IP phone to ICT (hold) to DFW ICT to IP phone
210 105
SFO/ORD IP phone to ICT (conference) to DFW ICT to IP phone
252 84
SFO/ORD IP phone to ICT to RDU ICT to IP phone
420 420
SFO/ORD IP phone to ICT (blind transfer) to RDU ICT to IP phone
126 42
SFO/ORD IP phone to ICT (consult transfer) to RDU ICT to IP phone
126 42
SFO/ORD IP phone to ICT (hold) to RDU ICT to IP phone
84 42
SFO/ORD IP phone to ICT (conference) to RDU ICT to IP phone
168 56
SFO/ORD IP phone to ICT to NYC ICT to IP phone
420 420
SFO/ORD IP phone to ICT (blind transfer) to NYC ICT to IP phone
126 42
SFO/ORD IP phone to ICT (consult transfer) to NYC ICT to IP phone
126 42
SFO/ORD IP phone to ICT (hold) to NYC ICT to IP phone
126 63
SFO/ORD IP phone to ICT (conference) to NYC ICT to IP phone
168 56
SFO/ORD IP phone to ICT to ATL ICT to IP phone
158 158
SFO/ORD IP phone to ICT to YYZ ICT to IP phone
63 63
SFO/ORD IP phone to ICT (blind transfer) to YYZ ICT to IP phone
63 21
SFO/ORD IP phone to ICT (consult transfer) to YYZ ICT to IP phone
63 21
SFO/ORD IP phone to ICT (hold) to YYZ ICT to IP phone
42 21
SFO/ORD IP phone to ICT (conference) to YYZ ICT to IP phone
84 28
DFW IP phone to ICT to SFO ICT to IP phone
126 126
DFW IP phone to ICT (blind transfer) to SFO ICT to IP phone
21 63
Table 2 Load Testing for Multisite Centralized, Clustering over the WAN with Unified SRST Site Model (continued)
Call Type Call Scenario
SJC/RFD BHCA1 SFO/ORD BHCA DFW BHCA RDU BHCA NYC BHCA ATL BHCA YYZ BHCA
Call Load Testing
Multisite Centralized, Clustering over the WAN with Unified SRST (SFO-ORD) Load Testing
DFW IP phone to ICT (consult transfer) to SFO ICT to IP phone
42 126
DFW IP phone to ICT (hold) to SFO ICT to IP phone
63 126
DFW IP phone to ICT (conference) to SFO ICT to IP phone
28 84
DFW IP phone to ICT to ORD ICT to IP phone
168 168
DFW IP phone to ICT (blind transfer) to ORD ICT to IP phone
63 189
DFW IP phone to ICT (consult transfer) to ORD ICT to IP phone
42 126
DFW IP phone to ICT (hold) to ORD ICT to IP phone
21 42
DFW IP phone to ICT (conference) to ORD ICT to IP phone
0 0
RDU IP phone to ICT to SFO ICT to IP phone
105 105
RDU IP phone to ICT to ORD ICT to IP phone
462 462
NYC IP phone to ICT to SFO ICT to IP phone
105 105
NYC IP phone to ICT to ORD ICT to IP phone
462 462
ATL IP phone to ICT to ORD ICT to IP phone
63 63
YYZ IP phone to ICT to SFO ICT to IP phone
63 63
Intercluster BHCA Subtotals 2506 8,316 2,247 1,169 1,190 221 217
BHCA Grand Total for SFO-ORD Sites 32,849
1. BHCA = busy hour call attempts.
2. PSTN = public switched telephone network.
Table 2 Load Testing for Multisite Centralized, Clustering over the WAN with Unified SRST Site Model (continued)
Call Type Call Scenario
SJC/RFD BHCA1 SFO/ORD BHCA DFW BHCA RDU BHCA NYC BHCA ATL BHCA YYZ BHCA
Call Load Testing Large SIP Site (DFW) Load Testing
Large SIP Site (DFW) Load Testing
This section describes call load testing for calls originating or terminating in the Dallas (DFW) site in the Large SIP Site model. The BHCA grand total tested for the DFW cluster was 29,193 busy hour call attempts. Table 3 shows the BHCA for various call types and call scenarios between different endpoints.
Note Some intercluster calls show different BHCA values for the two clusters involved in the call. This situation occurs because a conference, hold, or transfer supplementary service is initiated at one of these clusters resulting in additional call processing (higher BHCA value) in that cluster.
Table 3 Large SIP Site Model (DFW) Load Testing
Call Type Call Scenario
SJC-RFD BHCA1 SFO/ORD BHCA DFW BHCA RDU BHCA NYC BHCA ATL BHCA YYZ BHCA AZO BHCA Intracluster calls DFW IP phone to DFW IP phone 3,150 DFW IP phone to DFW IP phone (blind transfer) 1,008 DFW IP phone to DFW IP phone (consult transfer) 1,008 DFW IP phone to DFW IP phone (hold) 1,050 DFW IP phone to DFW IP phone (conference) 1,260 DFW IP phone to DFW PSTN2 to DFW PSTN to IP phone 9,555 DFW IP phone to DFW PSTN (blind transfer) to DFW PSTN to IP phone 532 DFW IP phone to DFW PSTN (consult transfer) to DFW PSTN to IP phone 532 DFW IP phone to DFW PSTN (hold) to DFW PSTN to IP phone 1,260 DFW IP phone to DFW PSTN (conference) to DFW PSTN to IP phone 1,260 DFW IP phone to DFW Unity 3,000
Intracluster BHCA Subtotal 23,615 Intercluster
calls
SJC/RFD IP phone to ICT to DFW ICT to IP phone
599 559
SJC/RFD IP phone to ICT (blind transfer) to DFW ICT to IP phone
315 105
SJC/RFD IP phone to ICT (consult transfer) to DFW ICT to IP phone
Call Load Testing
Large SIP Site (DFW) Load Testing
SJC/RFD IP phone to ICT (hold) to DFW ICT to IP phone 319 160 SJC/RFD IP phone to ICT (conference) to DFW ICT to IP phone 319 106
SFO/ORD IP phone to ICT to DFW ICT to IP phone
840 840
SFO/ORD IP phone to ICT (blind transfer) to DFW ICT to IP phone
252 84
SFO/ORD IP phone to ICT (consult transfer) to DFW ICT to IP phone
252 84
SFO IP phone to ICT (hold) to DFW ICT to IP phone
210 105
SFO/ORD IP phone to ICT (conference) to DFW ICT to IP phone
252 84
DFW IP phone to ICT to RFD ICT to IP phone
281 281
DFW IP phone to ICT (blind transfer) to RFD ICT to IP phone
46 139
DFW IP phone to ICT (consult transfer) to RFD ICT to IP phone
46 139
DFW IP phone to ICT (hold) to RFD ICT to IP phone
72 143
DFW IP phone to ICT (conference) to RFD ICT to IP phone
45 134
DFW IP phone to ICT to SFO ICT to IP phone
126 126
DFW IP phone to ICT (blind transfer) to SFO ICT to IP phone
21 63
DFW IP phone to ICT (consult transfer) to SFO ICT to IP phone
42 126
DFW IP phone to ICT (hold) to SFO ICT to IP phone
63 126
DFW IP phone to ICT (conference) to SFO ICT to IP phone
28 84
DFW IP phone to ICT to ORD ICT to IP phone
168 168
DFW IP phone to ICT (blind transfer) to ORD ICT to IP phone
63 189
Table 3 Large SIP Site Model (DFW) Load Testing (continued)
Call Type Call Scenario
SJC-RFD BHCA1 SFO/ORD BHCA DFW BHCA RDU BHCA NYC BHCA ATL BHCA YYZ BHCA AZO BHCA
Call Load Testing Cisco Communications Manager 7.0(1) Interoperability Site (RDU) Load Testing
Cisco Communications Manager 7.0(1) Interoperability Site
(RDU) Load Testing
This section describes call load testing for calls originating or terminating in the Raleigh (RDU) site in the Cisco Communications Manager 7.0(1) Interoperability Site model. The BHCA grand total tested for the RDU cluster was 2,713 busy hour call attempts. Table 5 shows the BHCA for intercluster calls between different endpoints for various call scenarios.
Note Some intercluster calls show different BHCA values for the two clusters involved in the call. This situation occurs because a conference, hold, or transfer supplementary service is initiated at one of these clusters resulting in additional call processing (higher BHCA value) in that cluster.
DFW IP phone to ICT (consult transfer) to ORD ICT to IP phone
42 126
DFW IP phone to ICT (hold) to ORD ICT to IP phone
21 42
DFW IP phone to ICT (conference) to ORD ICT to IP phone
0 0
DFW IP phone to ICT to RDU ICT to IP phone
281 281
DFW IP phone to ICT (conference) to RDU ICT to IP phone
168 56
DFW IP phone to ICT to NYC ICT to IP phone
281 281
DFW IP phone to ICT (conference) to NYC ICT to IP phone
168 56
RDU IP phone to ICT to DFW ICT to IP phone
281 281
NYC IP phone to ICT to DFW ICT to IP phone
281 281
Intercluster BHCA Subtotals 3,068 1,530 5,578 618 618
BHCA Grand Total for DFW Site 29,193
1. BHCA = busy hour call attempts.
2. PSTN = public switched telephone network.
Table 3 Large SIP Site Model (DFW) Load Testing (continued)
Call Type Call Scenario
SJC-RFD BHCA1 SFO/ORD BHCA DFW BHCA RDU BHCA NYC BHCA ATL BHCA YYZ BHCA AZO BHCA
Call Load Testing
Cisco Communications Manager 7.0(1) Interoperability Site (RDU) Load Testing
Table 4 Cisco Communications Manager 6.1(1) Interoperability Site Model (RDU) Load Testing
Call Type Call Scenario
SJC-RFD BHCA1
1. BHCA = busy hour call attempts.
SFO-ORD BHCA DFW BHCA RDU BHCA NYC BHCA ATL BHCA YYZ BHCA AZO BHCA Intercluster calls SJC/RFD IP phone to ICT2 to RDU ICT to IP phone
210 210
SJC/RFD IP phone to ICT (blind transfer) to RDU ICT to IP phone
105 35
SJC/RFD IP phone to ICT (consult transfer) to RDU ICT to IP phone
101 34
SJC/RFD IP phone to ICT (hold) to RDU ICT to IP phone
109 55
SJC/RFD IP phone to ICT (conference) to RDU ICT to IP phone
101 34
SFO/ORD IP phone to ICT to RDU ICT to IP phone
420 420
SFO/ORD IP phone to ICT (blind transfer) to RDU ICT to IP phone
126 42
SFO/ORD IP phone to ICT (consult transfer) to RDU ICT to IP phone
126 42
SFO/ORD IP phone to ICT (hold) to RDU ICT to IP phone
84 42
SFO/ORD IP phone to ICT (conference) to RDU ICT to IP phone
168 56
DFW IP phone to ICT to RDU ICT to IP phone
281 DFW IP phone to ICT
(conference) to RDU ICT to IP phone
281 56
RDU IP phone to ICT to RFD ICT to IP phone
559 168 559
RDU IP phone to ICT to SFO ICT to IP phone
105 105
RDU IP phone to ICT to ORD ICT to IP phone
462 462
RDU IP phone to ICT to DFW ICT to IP phone
281 281
Intercluster BHCA Subtotals 1,185 1,491 730 2,713
Call Load Testing Cisco CallManager 4.2(3) Interoperability Site (NYC) Load Testing
Cisco CallManager 4.2(3) Interoperability Site (NYC) Load
Testing
Bhairav, is this section required???
This section describes call load testing for calls originating or terminating in the New York City (NYC) site in the Cisco CallManager 4.2(3) Interoperability Site model. The BHCA grand total tested for the NYC cluster was 2,944 busy hour call attempts. Table 5 shows the BHCA for intercluster calls between different endpoints for various call scenarios.
Note Some intercluster calls show different BHCA values for the two clusters involved in the call. This situation occurs because a conference, hold, or transfer supplementary service is initiated at one of these clusters resulting in additional call processing (higher BHCA value) in that cluster.
Table 5 Cisco CallManager 4.2(3) Interoperability Site Model (NYC) Load Testing
Call Type Call Scenario
SJC-RFD BHCA1 SFO-ORD BHCA DFW BHCA RDU BHCA NYC BHCA ATL BHCA YYZ BHCA AZO BHCA Intercluster calls
SJC/RFD IP phone to ICT2 to NYC ICT to IP phone
420 420
SJC/RFD IP phone to ICT (blind transfer) to NYC ICT to IP phone
105 35
SJC/RFD IP phone to ICT (consult transfer) to NYC ICT to IP phone
101 34
SJC/RFD IP phone to ICT (hold) to NYC ICT to IP phone
109 55
SJC/RFD IP phone to ICT (conference) to NYC ICT to IP phone
101 34
SFO/ORD IP phone to ICT to NYC ICT to IP phone
420 420
SFO/ORD IP phone to ICT (blind transfer) to NYC ICT to IP phone
126 42
SFO/ORD IP phone to ICT (consult transfer) to NYC ICT to IP phone
126 42
SFO/ORD IP phone to ICT (hold) to NYC ICT to IP phone
126 63
SFO/ORD IP phone to ICT
(conference) to NYC ICT to IP phone
168 56
DFW IP phone to ICT to NYC ICT to IP phone
281 281
DFW IP phone to ICT (conference) to NYC ICT to IP phone
168 56
NYC IP phone to ICT to SJC ICT to IP phone
Call Load Testing
Small Campus SIP Unified Communications Manager Express Site (ATL) Load Testing
Small Campus SIP Unified Communications Manager Express
Site
(ATL) Load Testing
This section describes call load testing for calls originating or terminating in the Atlanta (ATL) site in the Small Campus SIP Unified Communications Manager Express Site model. The BHCA grand total tested for the ATL cluster was 322 busy hour call attempts. Table 6 shows the BHCA for intercluster calls between different endpoints in this site and other sites.
Note Some intercluster calls show different BHCA values for the two clusters involved in the call. This situation occurs because a conference, hold, or transfer supplementary service is initiated at one of these clusters resulting in additional call processing (higher BHCA value) in that cluster.
NYC IP phone to ICT to SFO ICT to IP phone
105 105
NYC IP phone to ICT to ORD ICT to IP phone
462 462
NYC IP phone to ICT to DFW ICT to IP phone
281 281
Intercluster BHCA Subtotals 1,395 1,533 730 2,944
BHCA Grand Total for NYC Site 2,944
1. BHCA = busy hour call attempts. 2. ICT = intercluster trunk.
Table 5 Cisco CallManager 4.2(3) Interoperability Site Model (NYC) Load Testing (continued)
Call Type Call Scenario
SJC-RFD BHCA1 SFO-ORD BHCA DFW BHCA RDU BHCA NYC BHCA ATL BHCA YYZ BHCA AZO BHCA
Table 6 Small Campus SIP Unified Communications Manager Express Site Model (ATL) Load Testing
Call Type Call Scenario
SJC-RFD BHCA1
1. BHCA = busy hour call attempts.
SFO-ORD BHCA DFW BHCA NYC BHCA ATL BHCA YYZ BHCA AZO BHCA Intercluster calls
SJC IP phone to ICT2 to ATL ICT to IP phone
2. ICT = intercluster trunk.
67 67
SFO IP phone to ICT to ATL ICT to IP phone
158 158
ATL IP phone to ICT to SJC ICT to IP phone
34 34
ATL IP phone to ICT to ORD ICT to IP phone
63 63
Intercluster BHCA Subtotals 101 221 322
Call Load Testing Small Campus H.323 Unified Communications Manager Express Site (YYZ) Load Testing
Small Campus H.323 Unified Communications Manager Express
Site
(YYZ) Load Testing
This section describes call load testing for calls originating or terminating in the Toronto (YYZ) site in the Small Campus H.323 Unified Communications Manager Express Site model. The BHCA grand total tested for the YYZ cluster was 680 busy hour call attempts. Table 7 shows the BHCA for intercluster calls between different endpoints for various call scenarios.
Note Some calls show different values for the two clusters involved in the call. This situation occurs because a conference, hold, or, transfer supplementary services was performed at the originating cluster, which resulted in additional call processing at the originating cluster.
Table 7 Small Campus H.323 Unified Communications Manager Express Site Model (YYZ) Load Testing
Call Type Call Path
SJC-RFD BHCA1
1. BHCA = busy hour call attempts.
SFO-ORD BHCA DFW BHCA RDU BHCA NYC BHCA ATL BHCA YYZ BHCA AZO BHCA Intercluster calls
SJC IP phone to ICT2 to YYZ ICT to IP phone
2. ICT = intercluster trunk.
34 34
SJC IP phone to ICT (blind transfer) to YYZ ICT to IP phone
13 4
SJC IP phone to ICT (consult transfer) to YYZ ICT to IP phone
13 4
SJC IP phone to ICT (hold) to YYZ ICT to IP phone
8 4
SJC IP phone to ICT (conference) to YYZ ICT to IP phone
21 7
SFO IP phone to ICT to YYZ ICT to IP phone
63 63
SFO/ORD IP phone to ICT (blind transfer) to YYZ ICT to IP phone
63 21
SFO/ORD IP phone to ICT (consult transfer) to YYZ ICT to IP phone
63 21
SFO IP phone to ICT (hold) to YYZ ICT to IP phone
42 21
SFO/ORD IP phone to ICT
(conference) to YYZ ICT to IP phone
84 28
YYZ IP phone to ICT to RFD ICT to IP phone
34 34
YYZ IP phone to ICT to SFO ICT to IP phone
63 63
Intercluster BHCA Subtotals 123 315 242
Call Load Testing
Medium Business with Remote Locations (AZO) Load Testing
Medium Business with Remote Locations
(AZO) Load Testing
This section describes call load testing for calls originating or terminating in the Kalamazoo (AZO) site in the Medium Business with Remote Locations Site model. The BHCA grand total tested for the AZO cluster was 3896 busy hour call attempts. Table 8 shows the BHCA for intercluster calls between different endpoints in this site.
Note Some intercluster calls show different BHCA values for the two clusters involved in the call. This situation occurs because a conference, hold, or transfer supplementary service is initiated at one of these clusters resulting in additional call processing (higher BHCA value) in that cluster.
Table 8 Medium Business with Remote Locations (AZO) Load Testing
Call Type Call Scenario
SJC-RFD BHCA1
1. BHCA = busy hour call attempts.
SFO-OR D BHCA DFW BHCA RDU BHCA NYC BHCA ATL BHCA YYZ BHCA AZO BHCA Intercluster calls
AZO IP phone to AZO Cisco Unified MeetingPlace Express
172 AZO IP phone to AZO Unity
Connection
840
AZO IP phone to AZO IP phone 308
AZO IP phone to AZO IP phone (blind transfer)
105 AZO IP phone to AZO IP phone
(consult transfer)
105 AZO IP phone to AZO IP phone
(hold)
140 AZO IP phone to AZO IP phone
(conference)
112 AZO IP phone to AZO PSTN to
AZO PSTN to IP phone
1,568 AZO IP phone to AZO PSTN
(blind transfer) to AZO PSTN to IP phone
140
AZO IP phone to AZO PSTN (consult transfer) to AZO PSTN to IP phone
140
AZO IP phone to AZO PSTN (hold) to AZO PSTN to IP phone
126 AZO IP phone to AZO PSTN
(conference) to AZO PSTN to IP phone
140
Intercluster BHCA Subtotals 3,896
Call Load Testing Medium Business with Remote Locations (AZO) Load Testing
Call Load Testing