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- The call is received by the SBC. The Source IP addresses is matched against the Federated IP addresses contained in all the Signaling Groups (SG).
- The SG with the closest matching Federated IP is selected to process the incoming call.?
- In the case above, the Federated IP, host1.vx.net/32, exactly matches the sending host's source IP as resolved via DNS (host1.vx.net).?
- Of course, the transport type and incoming port must also match.
- The SG defines the Call Routing Table to use for processing the call, sba: SIP to ISDN in this case.
- The Call Routing Table contains a list of call routing entries.?
- Those call route entries define which Transformation Table (sba:Lync to SIP Reg) to use in manipulating the call's numbers, names, etc.
- If the transformation is valid, the call is passed to the Destination Signaling Group (10.1.1.91 SG) defined in the call route entry.
- The Egress Signaling Group contains the configuration for the (egress) SIP Server Table (10.1.1.91)
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{"serverDuration": 129, "requestCorrelationId": "8f1b193c50c1cb78"}