Contents
6
Cisco Unified SCCP and SIP SRST System Administrator Guide
OL-13143-04
Restrictions for Configuring SIP SRST Features Using Back-to-Back User Agent Mode
124
Information About Configuring SCCP SRST Call Handling
124
H.323 VoIP Call Preservation Enhancements for WAN Link Failures
124
Toll Fraud Prevention
124
Information About Configuring SIP SRST Features Using Back-to-Back User Agent Mode
125
Cisco Unified SIP SRST and Cisco SIP Communications Manager Express Feature Crossover
125
How to Configure Cisco Unified SCCP SRST
127
Configuring Incoming Calls
127
Configuring Outgoing Calls
147
How to Configure Cisco Unified SIP SRST
164
Configuring SIP Phone Features
164
Configuring SIP-to-SIP Call Forwarding
166
Configuring Call Blocking Based on Time of Day, Day of Week, or Date
168
SIP Call Hold and Resume
172
How to Configure Optional Features
174
Enabling Three-Party G.711 Ad Hoc Conferencing
174
Defining XML API Schema
176
Where to Go Next
176
Configuring Secure SRST for SCCP and SIP
177
Contents
177
Prerequisites for Configuring Secure SRST
177
Restrictions for Configuring Secure SRST
178
Information About Configuring Secure SRST
179
Benefits of Secure SRST
179
Cisco IP Phones Clear-Text Fallback During Non-Secure SRST
179
Signaling Security on Unify SRST - TLS
180
Media Security on Unify SRST - SRTP
182
Establishment of Secure Cisco Unified SRST to the Cisco Unified IP Phone
182
Secure SRST Authentication and Encryption
184
How to Configure Secure Unified SRST
185
185
Preparing the Cisco Unified SRST Router for Secure Communication
186
Configuring Cisco Unified Communications Manager to the Secure Cisco Unified SRST Router
203
Enabling SRST Mode on the Secure Cisco Unified SRST Router
206
Configuring Secure SCCP SRST
207
Configuring Secure SIP Call Signaling and SRTP Media with Cisco SRST
221
Additional References
230
Related Documents
230