Sunny day: Centralized phone to Centralized phone within the branch

Last Updated : Oct 23, 2015 |
Prolog information
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In this scenario, the Centralized user that receives the call answers the call as expected.
Figure: Media flow for a call from one Centralized user to another Centralized user within the same branch in Sunny day
IP Office is not involved in this scenario. For the call signaling flow to work as expected, Avaya Aura® Communication Manager must be configured for Initial IP-IP Direct Media.
The following table shows the call signaling and media flow for this call scenario in more detail.
Call signaling flow description for Centralized phone to Centralized phone within the branch in Sunny day
Call scenario
Description of call signalling flow
User A makes a call to user B. The call connects successfully and user B answers the call as expected.
The following steps outline the call signaling flow shown in the image above.
  1. Centralized Phone A makes a call to Centralized Phone B.
  2. Avaya Aura® Session Manager sends Phone B’s number to Avaya Aura® Communication Manager for processing.
  3. Avaya Aura® Communication Manager identifies the call as internal (within the branch) and routes Phone B’s number back to Avaya Aura® Session Manager.
  4. Avaya Aura® Session Manager sends the call invite to Phone B.
  5. The user of Phone B answers the call. The RTP media stream flows directly between Phone A and Phone B.
Related links
Direct media setting in Avaya Aura Communication Manager