Cisco Unified Sip Srst 4.1; Contents; Prerequisites For Cisco Unified Sip Srst 4.1 - Cisco CP-7911G-CH1 System Administrator Manual

Cisco Unified SIP SRST 4.1

Revised: February 3, 2011
This chapter describes the features and provides the configuration information for Cisco Unified
SIP SRST 4.1:
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With Cisco IOS Release 12.4(15)T, the number of SIP phones supported on each platform is now
Note
equivalent to the number of SCCP phones supported. For example, 3845 now supports 720 phones
regardless of whether these are SIP or SCCP.

Contents

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Prerequisites for Cisco Unified SIP SRST 4.1

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OL-13143-04
Out-of-Dialog REFER(OOD-R)
Digit Collection on SIP Phones
Caller ID Display
Disabling SIP Supplementary Services for Call Forward and Call Transfer
Idle Prompt Status
Prerequisites for Cisco Unified SIP SRST 4.1, page 75
Restrictions for Cisco Unified SIP SRST 4.1, page 76
Information About Cisco Unified SIP SRST 4.1, page 76
How to Configure Cisco Unified SIP SRST 4.1 Features, page 79
Where to Go Next, page 83
Cisco IOS Release 12.4(15)T or a later release.
Cisco Unified IP Phones 7911G, 7941G, 7941GE, 7961G, 7961GE, 7970G, and 7971GE require
firmware load 8.2(1) or a later version.
For the prerequisites for the Enhanced 911 Services for Cisco Unified SRST feature introduced in
Version 4.1, see Prerequisites for Enhanced 911 Services.
Cisco Unified SCCP and SIP SRST System Administrator Guide
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