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_17xxx
2005 Sep 18
7
Cisco Callmanager & Asterisk for Voicemail revisited
...g H323 for
integration, but since I've upgraded to CCM 4.1 I have switched over
to SIP.
The integration with H323 required using Call forwarding to send the
call to an extension on Asterisk. For example, extension 7443 would
forward to 27443 on Asterisk which looked something like:
exten => _27XXX,1,Voicemail(u${EXTEN:1})
Obviously setting this for each and every phone on Callmanager was not
an option for any wide deployments, and Paul Davidson investigated
some of the other options. Paul discovered that it was possible to
setup a voicemail pilot, tick the voicemail box, etc. but you would...