19 Nov
2007
19 Nov
'07
2:12 a.m.
Hi Franz,
The did parameter is used by the dialog module to easily identify sequential requests belonging to a dialog (did=dialog ID). This param is inserted in the RR header of the initial requests only and it is inherited by the sequential requests via the Route header.
regards, Bogdan
Franz Edler wrote:
Hi,
can anyone explain what the "did" parameter in Record-Route header does?
Record-Route: sip:192.168.0.5;lr=on;ftag=e45c4b13;did=c92.09e2afc1
I suppose it is inserted in case of a "routing spiral", because it is inserted when the INVITE request is routed through the proxy a second time.
Cheers Franz
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