Is there a chance to force SBC to match uri parameters in cache lookup process?
Fellows, hope you are doing fine.
I have met an issue. Maybe you know how to resolve it? There is virtual PBX platform that sends multiple registrations of the same number from the same source IP address and source port. The only difference between those registrations is the host part of the Contact URI. Here is an example:
And details of the registrations 12@customer2.ca and 12@customer4.ca
As you can see, SBC does not create cookies in SD contact. Even if it were create them, the cookies would be the same for all the records. The problem begins when registrar sends INVITE sip:12@SBC Core IP:5061;local-domain=