Cisco CP-7911G-CH1 System Administrator Manual page 245

Integrating Voice Mail with Cisco Unified SRST
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Prerequisites
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SUMMARY STEPS
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OL-13143-04
An external trunk call reaches an unanswered extension and the call is forwarded to voice mail
(pattern trunk-to-ext no-answer command).
FXO hairpin-forwarded calls to voice-mail systems must have disconnect supervision from the
central office. For further information, see the
To configure patterns that your voice-mail system will interpret correctly, you must know how the
system routes voice-mail calls and interprets DTMF tones (see the
DTMF Digit Patterns" section on page
You can find information about how Cisco Unity handles voice-mail calls in the
Caller Directly into a Cisco Unity Mailbox
found in the "Subscriber and Operator Orientation" chapters of any
administration guide.
For other voice-mail systems, see the analog voice mail integration configuration guide or
information about the system's call handling.
vm-integration
pattern direct tag1 {CGN | CDN | FDN} [tag2 {CGN | CDN | FDN}] 
[tag3 {CGN | CDN | FDN}] [last-tag]
pattern ext-to-ext busy tag1 {CGN | CDN | FDN} [tag2 {CGN | CDN | FDN}] 
[tag3 {CGN | CDN | FDN}] [last-tag]
pattern ext-to-ext no-answer tag1 {CGN | CDN | FDN} [tag2 {CGN | CDN | FDN}] 
[tag3 {CGN | CDN | FDN}] [last-tag]
pattern trunk-to-ext busy tag1 {CGN | CDN | FDN} [tag2 {CGN | CDN | FDN}] 
[tag3 {CGN | CDN | FDN}] [last-tag]
pattern trunk-to-ext no-answer tag1 {CGN | CDN | FDN} [tag2 {CGN | CDN | FDN}] 
[tag3 {CGN | CDN | FDN}] [last-tag]
How to Integrate Voice Mail with Cisco Unified SCCP and SIP SRST
FXO Answer and Disconnect Supervision
243).
document. Additional call-handling information can be
Cisco Unified SCCP and SIP SRST System Administrator Guide
document.
"Call Routing Instructions Using
How to Transfer a
Cisco Unity system
245