Specifications

Contents
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Cisco IOS Survivable Remote Site Telephony Version 3.4 System Administrator Guide
Configuring Message Buttons 140
Redirecting to Cisco CallManager Gateway 142
Configuring Call Forwarding to Voice Mail 142
Configuring Message Waiting Indication 147
Configuration Examples 149
Configuring Local Voice-Mail System (FXO and FXS): Example 149
Configuring Central Location Voice-Mail System (FXO and FXS): Example 150
Configuring Voice-Mail Access over FXO and FXS: Example 150
Configuring Voice-Mail Access over BRI and PRI: Example 151
Where to Go Next 151
Monitoring and Maintaining Cisco SRST 153
Appendix A: Preparing Cisco SRST Support for SIP 155
Contents 155
DTMF Relay for SIP Applications and Voice Mail 155
DTMF Relay Using SIP RFC 2833 155
DTMF Relay Using SIP Notify (Nonstandard) 157
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