Incoming call
1 Customer dials store extension 1-916-788-1234 (the branch phone number).
2 B5800 Branch sends call to VDN 5000299 on CM via SM. Routing to a VDN allows
reporting of branch calls.
3 SM matches call with a Route Pattern and sends to CM.
4 CM routes call to x-ported station that is bridged to all branch endpoints.
(X-ported refers to AWOH (Admin With Out Hardware) stations that are administered
as an endpoint without any physical hardware.)
5 SM sends call to all endpoints at the branch.
A RTP Media stream is initially between the Store Phone and CM-1 media gateway.
B Once the call is established, the RTP Media stream will shuffle between the Store
Phone and the B5800 Branch.
Rainy day
The next set of call flows are for rainy day. In a rainy day scenario, the SIP phones will failover
to the B5800 Branch Gateway in standalone mode. The standalone mode operates with a
Centralized deployment example call flows
292 Implementing the Avaya B5800 Branch Gateway November 2011
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