Cisco CP-7911G-CH1 Administration Guide - Page 18

Cisco Unified SRST, Version, Cisco IOS, Release, Restrictions, VoIP H.323, VoFR

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Cisco Unified SCCP SRST Cisco Unified SCCP and SIP SRST Feature Overview Table 1 Restrictions from Cisco SCCP SRST from the Present Version to Version 1.0(continued) Cisco Unified SRST Cisco IOS Version Release Version 4.0 12.4(4)XC Version 3.4 12.4(4)T Version 3.2 12.3(11)T Version 3.1 12.3(7)T Version 3.0 12.2(15)ZJ 12.3(4)T Version 2.1 Version 2.02 Version 2.01 Version 2.0 12.2(15)T 12.2(13)T 12.2(11)T 12.2(8)T1 12.2(8)T 12.2(2)XT Version 1.0 12.2(2)XB 12.2(2)XG 12.1(5)YD Restrictions • All of the restrictions in Cisco SRST Version 1.0. • Caller-id display on supported Cisco Unified IP phones: SIP phones in fallback mode displays the name and number of the caller. SCCP phones in fallback mode display only the caller-id number assigned to the line; the caller-ID name configuration for SCCP phones is not preserved during SRST fallback. • Call transfer is supported only on the following: - VoIP H.323, VoFR, and VoATM between Cisco gateways running Cisco IOS Release 12.2(11)T and using the H.323 nonstandard information element - FXO and FXS loop-start (analog) - FXO and FXS ground-start (analog) - Ear and mouth (E&M) (analog) and DID (analog) - T1 channel-associated signaling (CAS) with FXO and FXS ground-start signaling - T1 CAS with E&M signaling - All PRI and BRI switch types • The following Cisco Unified IP Phone function keys are dimmed because they are not supported during SRST operation: - MeetMe - GPickUp (group pickup) - Park - Confrn (conference) • Although the Cisco IAD2420 series integrated access devices (IADs) support the Cisco Unified SRST feature, this feature is not recommended as a solution for enterprise branch offices. • Does not support first generation Cisco Unified IP phones, such as Cisco IP Phone 30 VIP and Cisco IP Phone 12 SP+. • Does not support other Cisco Unified Communications Manager applications or services: Cisco IP SoftPhone, Cisco One: Voice and Unified Messaging Application, or Cisco IP Contact Center. • Does not support Centralized Automatic Message Accounting (CAMA) trunks on the Cisco 3660 routers. Note If you are in one of the states in the United States of America where there is a regulatory requirement for CAMA trunks to interface to 911 emergency services, and you would like to connect more than 48 Cisco Unified IP phones to the Cisco 3660 multiservice routers in your network, contact your local Cisco account team for help in understanding and meeting the CAMA regulatory requirements. Cisco Unified SCCP and SIP SRST System Administrator Guide 18 OL-13143-04

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Cisco Unified SCCP and SIP SRST Feature Overview
Cisco Unified SCCP SRST
18
Cisco Unified SCCP and SIP SRST System Administrator Guide
OL-13143-04
Version 4.0
Version 3.4
Version 3.2
Version 3.1
Version 3.0
Version 2.1
Version 2.02
Version 2.01
Version 2.0
12.4(4)XC
12.4(4)T
12.3(11)T
12.3(7)T
12.2(15)ZJ
12.3(4)T
12.2(15)T
12.2(13)T
12.2(11)T
12.2(8)T1
12.2(8)T
12.2(2)XT
All of the restrictions in Cisco SRST Version 1.0.
Caller-id display on supported Cisco Unified IP phones: SIP phones in fallback
mode displays the name and number of the caller. SCCP phones in fallback mode
display only the caller-id number assigned to the line; the caller-ID name
configuration for SCCP phones is not preserved during SRST fallback.
Call transfer is supported only on the following:
VoIP H.323, VoFR, and VoATM between Cisco gateways running Cisco IOS
Release 12.2(11)T and using the H.323 nonstandard information element
FXO and FXS loop-start (analog)
FXO and FXS ground-start (analog)
Ear and mouth (E&M) (analog) and DID (analog)
T1 channel-associated signaling (CAS) with FXO and FXS ground-start
signaling
T1 CAS with E&M signaling
All PRI and BRI switch types
The following Cisco Unified IP Phone function keys are dimmed because they are
not supported during SRST operation:
MeetMe
GPickUp (group pickup)
Park
Confrn (conference)
Although the Cisco IAD2420 series integrated access devices (IADs) support the
Cisco Unified SRST feature, this feature is not recommended as a solution for
enterprise branch offices.
Version 1.0
12.2(2)XB
12.2(2)XG
12.1(5)YD
Does not support first generation Cisco Unified IP phones, such as Cisco IP Phone
30 VIP and Cisco IP Phone 12 SP+.
Does not support other Cisco Unified Communications Manager applications or
services: Cisco IP SoftPhone, Cisco One: Voice and Unified Messaging
Application, or Cisco IP Contact Center.
Does not support Centralized Automatic Message Accounting (CAMA) trunks on
the Cisco 3660 routers.
Note
If you are in one of the states in the United States of America where there is a
regulatory requirement for CAMA trunks to interface to 911 emergency
services, and you would like to connect more than 48 Cisco Unified IP phones
to the Cisco 3660 multiservice routers in your network, contact your local Cisco
account team for help in understanding and meeting the CAMA regulatory
requirements.
Table 1
Restrictions from Cisco SCCP SRST from the Present Version to Version 1.0(continued)
Cisco Unified SRST
Version
Cisco IOS
Release
Restrictions