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Avaya IP Office™ Platform in a Branch Environment Reference Configuration
Sunny day call flows
The first set of call flows are for sunny day. This is when all SIP endpoints have full connectivity across the WAN back to the core and are registered to the Session Manager. All SIP trunks are in service.
Internal call
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1
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Store Phone originates call to a corporate station 1014553.
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2
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SM sends 1014553 to CM for origination processing.
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3
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CM identifies call as internal and routes 1014553 back to SM.
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4
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SM sends call to destination phone 1014553 at destination CM.
This call flow is similar for calls within the same branch or calls to other branches with the exception that the calls terminate at the destined branch.
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A
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RTP Media stream is initially between the Store Phone and a CM-1 media gateway. This will shuffle between the Store Phone and CM-2 or another endpoint once established.
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Local PSTN dialing
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1
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Store Phone calls local extension 9-755-1234.
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2
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SM sends 9-755-1234 to CM for origination call processing.
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3
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CM translates the call into E.164 based on callers’ location and sends +1-916-755-1234 to SM.
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4
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SM adapts the call for the local carrier and sends 9-755-1234 back to original branch.
Session Manager could use the E.164 formatted number to do TEHO routing at this step.
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5
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IP Office Branch sends 755-1234 to the PSTN.
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A
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RTP Media stream is initially between the Store Phone and CM-1 media gateway.
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B
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Once the call is established, the RTP Media stream will shuffle between the Store Phone and the IP Office Branch.
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Long distance and international
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1
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Store Phone calls long distance number 9-011-912-2600-9000.
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2
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SM sends 9-011-912-2600-9000 to CM for origination call processing.
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3
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CM translates the call into E.164 based on callers’ location and sends +1-912-2600-9000 to SM.
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4
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SM adapts the call for the local carrier and sends 9-011-912-2600-9000 back to original branch.
Session Manager could use the E.164 formatted number to do TEHO routing at this step.
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5
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IP Office Branch sends 011-912-2600-9000 to the CO.
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A
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RTP Media stream is initially between the Store Phone and CM-1 media gateway.
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B
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Once the call is established, the RTP Media stream will shuffle between the Store Phone and the IP Office Branch.
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Incoming call
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1
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Customer dials store extension 1-916-788-1234 (the branch phone number).
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2
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IP Office Branch sends call to VDN 5000299 on CM via SM. Routing to a VDN allows reporting of branch calls.
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3
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SM matches call with a Route Pattern and sends to CM.
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4
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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.)
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5
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SM sends call to all endpoints at the branch.
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A
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RTP Media stream is initially between the Store Phone and CM-1 media gateway.
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B
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Once the call is established, the RTP Media stream will shuffle between the Store Phone and the IP Office Branch.
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