19/12/08
Cisco CallManager 4 with Asterisk VM (SIP)
Back in 2005 after upgrading to CallManager 4, I updated my previous tutorial to describe Asterisk Voicemail integration using SIP instead of H323. These instructions are below. Overview Asterisk provides a flexible voicemail system that is a viable option for companies using Cisco Callmanager who do not wish to implement Cisco Unity. At the time this tutorial was written, theRead More