Configuring Call Handling; Contents; Prerequisites For Configuring Sip Srst Features Using Back-To-Back User Agent Mode - Cisco CP-7911G-CH1 System Administrator Manual

Configuring Call Handling

Revised: November 14, 2011
This chapter describes how to configure Cisco Unified Survivable Remote Site Telephony (Cisco Unified
SRST) for incoming and outgoing calls for SCCP phones.
This chapter also describes support for standardized RFC 3261 features for SIP phones. Features include
call blocking and call forwarding.
Note

Contents

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Prerequisites for Configuring SIP SRST Features Using
Back-to-Back User Agent Mode
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OL-13143-04
Configuring Call Handling for SIP phones applies to versions 4.0 and 3.4 only.
Prerequisites for Configuring SIP SRST Features Using Back-to-Back User Agent Mode, page 123
Restrictions for Configuring SIP SRST Features Using Back-to-Back User Agent Mode, page 124
Information About Configuring SCCP SRST Call Handling, page 124
Information About Configuring SIP SRST Features Using Back-to-Back User Agent Mode,
page 125
How to Configure Cisco Unified SCCP SRST, page 127
How to Configure Cisco Unified SIP SRST, page 164
How to Configure Optional Features, page 174
Where to Go Next, page 176
Complete the prerequisites documented in the
SRST" section on page 19
section on page 11.
Configure the SIP registrar. The SIP registrar gives users control of accepting or rejecting
registrations. To configure acceptance of incoming SIP Register messages, see the
Cisco Unified IP Phones using SIP" section on page
"Prerequisites for Configuring Cisco Unified SIP
section in the "Cisco Unified SCCP and SIP SRST Feature Overview"
105.
Cisco Unified SCCP and SIP SRST System Administrator Guide
"Setting Up
123