DPA 7630 Voice Mail Gateway
PSTN
Voice Mail
Cisco
CallManager
Voice Router
DPA 7630
IP Phone
IP Phone
Ethernet
Digital T1
(3) RJ21 Connections
Switch
AVVID Gateway Selection • Chapter 3 89
The DPA supports G.711 and G.729a voice CODECs to communicate
with the voice mail system, as well as the Avaya (formerly Lucent) Definity and
Meridian PBX along with the Octel voice mail system. Incoming/outgoing messages
and message waiting indicator (MWI) commands between CallManager and
the Octel voice mail are done through the DPA.