Which version of SER are you using? Latest ones have special config file functions to handle CANCELs.

As a basic idea, you should treat CANCEL as if they were INVITEs and SER will take care of the rest.

Hope it helps,
Samuel.

2008/10/5 Deepak <dlalmtl@gmail.com>

Hi,
I have the following issue:

I am using lcr module to select a gw from a set of gw's based upon R-URI prefixes. All is working fine.

The issue is with a CANCEL that is sent by the UAC that originates the call before a dialog can be established. This implies that the CANCEL cannot be routed to the correct GW since SER see a CANCEL and simply returns "487 request terminated".

How can I forward the CANCEL to the GW the the original INVITE was forwarded to?

Any help appreciated.....

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