This article describes the steps necessary to configure the SBC Edge so that a call may be placed from a SIP phone through the SBC Edge to an ISDN endpoint as depicted by the following call flow:
Topology |
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Add two entries to the new Transformation Table as show below.
Transformation Table Configuration
Add an entryto the new Call Routing Table and configure it as shown below.
Call Routing Table Configuration
Add a new SIP Signaling Group and configure it as shown below.
SIP Signaling Group Configuration
Configure the port as shown below.
ISDN Port Configuration
Configure the new ISDN Signaling Group as shown below.
ISDN Signaling Group Configuration
When the endpoint registers, the registration request arrives to the SBC Edge through the SIP signaling group, the SBC Edge responds to the REGISTRATION request with a 200 OK – a successful SIP endpoint registration occurs.
Using the Log Exchange utility, you can quickly verify the relevant SIP messaging:
Verify SIP Messaging