Setting Up Cisco Unified Ip Phones Using Sip; Contents; Prerequisites For Configuring The Sip Registrar; Restrictions For Configuring The Sip Registrar - Cisco CP-7911G-CH1 System Administrator Manual

Setting Up Cisco Unified IP Phones using SIP

Revised: February 3, 2011
Session Initiation Protocol (SIP) registrar functionality in Cisco IOS software is an essential part of
Cisco Unified SIP Survivable Remote Site Telephony (SRST). According to RFC 3261, a SIP registrar
is a server that accepts Register requests and is typically collocated with a proxy or redirect server. A
SIP registrar may also offer location services.

Contents

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Prerequisites for Configuring the SIP Registrar

Complete the prerequisites documented in the
section on page 19
page

Restrictions for Configuring the SIP Registrar

See the restrictions documented in the
on page 19
OL-13143-04
Prerequisites for Configuring the SIP Registrar, page 105
Restrictions for Configuring the SIP Registrar, page 105
Information About Configuring the SIP Registrar, page 106
How to Configure the SIP Registrar, page 106
Where to Go Next, page 120
section in "Cisco Unified SCCP and SIP SRST Feature Overview" section on
11.
section in "Cisco Unified SCCP and SIP SRST Feature Overview" section on page
"Prerequisites for Configuring Cisco Unified SIP SRST"
"Restrictions for Configuring Cisco Unified SIP SRST" section
Cisco Unified SCCP and SIP SRST System Administrator Guide
11.
105