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Reload this Page SIP Incoming TCP Needs to be UDP
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  #1  
Old 11-30-2015, 06:42 AM
meyer84 meyer84 is offline
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Default SIP Incoming TCP Needs to be UDP
I have a CM 6.3 and SM 6.3. I am testing a SIP device that registers to the SM via UDP port 5060. I am able to make outbound calls. Whenever I try to make an inbound call the call is rejected. When I trace the incoming call it is being made via TCP not UDP. The SIP device I have only does UDP so it does not recognize the TCP call. How can I make inbound calls to the device via UDP?
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Old 12-01-2015, 08:04 AM
zakabog zakabog is offline
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Is the CM placing the SIP call directly to your device? As long as your Session Manager is configured to send outgoing calls via UDP, and the CM is sending the TCP call to the SM, then your call should go out to the SIP device using UDP.
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Old 12-02-2015, 04:53 AM
meyer84 meyer84 is offline
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That was also my understanding. But the SM is sending TCP packets not UDP
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Old 12-02-2015, 08:07 AM
derekf derekf is offline
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The SM should be sending TCP to CM and UDP to the endpoint if the endpoint registered to SM using UDP. Any chance you can grab a traceSM trace from SM and post it?
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