6 dec 2012 kl. 15:59 skrev Peter Dunkley <[email protected]>:
> On Thu, 2012-12-06 at 13:20 +0100, Daniel-Constantin Mierla wrote: >> Address in firth path will be used to set $du anyhow, not sure what the flow >> token implies, but might be just done from config. >> > > The flow token is the user part of the Path-URI and is an encrypted string > that indicates the source IP address, port, and protocol of the REGISTER > request. So for NAT traversal purposes you want to send to the place the > flow token indicates, not what is actually in the host part of the Path-URI > (but only if the Path-URI has an ;ob parameter). The idea is that even on a > single server system with clients that do not support outbound it should be > possible to "force outbound" so as to get this into the location table. The flow token points to a flow saying that Kamailio should NOT parse the Contact URI and find a destination. It should find the proper connection. > > Basically, when using outbound like this, the aliasing stuff in nathelper and > the received AVP/parameter/column in registrar and usrloc are obsoleted. > > The useful parts remaining in nathelper will be nat_uac_test() and nat > pinging. Although, for outbound capable clients nat pinging on the server is > not needed as the clients will send STUN requests to the SIP server anyway. > This means the when outbound support is complete, STUN should be enabled by > default on the Kamailio builds. Yep. Have sent e-mail to sip-implementors on the Q issue. It seems to me that Juha is right, it must be a mistake. /O > > Regards, > > Peter > -- > Peter Dunkley > Technical Director > Crocodile RCS Ltd > _______________________________________________ > sr-dev mailing list > [email protected] > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev
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