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Cisco IOS Telephony Service, Version 2.02
Chapter 5 Command Reference
pattern trunk-to-ext no-answer (vm-integration)
pattern trunk-to-ext no-answer (vm-integration)
To configure the dual-tone multifrequency (DTMF) digit pattern forwarding necessary to activate the
voice-mail system when an external trunk call reaches an unanswered extension and the call is forwarded
to voice mail, use the pattern trunk-to-ext no-answer command in voice-mail integration configuration
mode. To disable DTMF digit pattern forwarding when an external trunk call reaches another extension
where the called party does not answer and the call is forwarded to a voice-mail system, use the no form
of this command.
pattern trunk-to-ext no-answer tag1 {CGN | CDN | FDN} [tag2 {CGN | CDN | FDN}]
[tag3 {CGN | CDN | FDN}] [last-tag]
no pattern trunk-to-ext no-answer tag1 {CGN | CDN | FDN} [tag2 {CGN | CDN | FDN}]
[tag3 {CGN | CDN | FDN}] [last-tag]
Syntax Description
Defaults This feature is disabled by default.
Command Modes Voice-mail integration configuration
Command History
tag1 (Required) Alphanumeric string fewer than four DTMF digits in length. The
alphanumeric string consists of a combination of four letters (A, B, C, and
D), two symbols (* and #), and ten digits (0 to 9). The tag numbers match
the numbers defined in the voice-mail system’s integration file,
immediately preceding either the number of the calling party, the number of
the called party, or a forwarding number.
tag2, tag3 (Optional) See tag1. The Cisco IOS Telephony Service router supports a
maximum of four tags.
last-tag (Optional) See tag1.This tag indicates the end of the pattern.
CGN Calling number (CGN) information is sent to the voice-mail system.
CDN Called number (CDN) information is sent to the voice-mail system.
FDN Forwarding number (FDN) information is sent to the voice-mail system.
Release Modification
12.2(2)XT For Cisco IOS Telephony Service, this command was introduced on the
Cisco 1750, Cisco 1751, Cisco 2600 series, Cisco 3600 series multiservice
routers, and Cisco IAD2420 series IADs.
12.2(8)T For Cisco IOS Telephony Service, this command was integrated into
Cisco IOS Release 12.2(8)T and implemented on the Cisco 3725 and
Cisco 3745 routers.
12.2(8)T1 For Cisco IOS Telephony Service, this command was implemented on the
Cisco 2600-XM and Cisco 2691 routers.
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