Tuesday, March 5, 2019

CUBE sip behaviour

I have a CUBE sitting between a CUCM and a SIP ITSP.

If i capture all traffic (all interfaces) on the CUBE, I can see call INVITEs from the CUCM arriving at the CUBE but I cant see another INVITE leaving the CUBE to go to the ITSP.

Is this normal behaviour? Does the CUBE somehow just passthrough the original INVITE without it showing up as a new outgoing INVITE? Am I not grasping SIP principles here?

I am trying to debug some CLI issues which I suspect are related to dial-peer matching but I am unable to see the outgoing INVITE to the ITSP to confirm the structure of the URI.



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