Asterisk Ip Pbx As-12-4u

Cross-Platform Release Notes For Cisco IOS Release 12.4T ...
Devices running Cisco IOS Software and configured for Cisco Unified Communications Manager Express (CME) or Cisco Unified Survivable Remote Site Telephony (SRST) Avaya phones----Avaya PBX---QSIG----ISR----SIP-----IP Unity Voice Mail . Conditions: ... Read Article