[sr-dev] Outbound: double Record-Route

Peter Dunkley peter.dunkley at crocodile-rcs.com
Fri Dec 28 09:34:45 CET 2012


Hi,

In Kamailio we have the concept of double Record-Route to enable us to
indicate when Kamailio must gateway between transports and networks.  In
outbound the flow token is recommended to include an indication of the
transport the connection uses and the local address for the connection.

To me this means that double Record-Route is not required for outbound
because the Record-Route-URI will indicate the route "out" of the proxy
and the flow token indicates the route "into" the proxy.

In fact, I think double-RR should be explicitly disabled when outbound is
in use, and that outbound could be "forced" for non-client connections as
an alternative to double-RR.  Does that make sense?

Regards,

Peter
-- 
Peter Dunkley
Technical Director
Crocodile RCS Ltd




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