Hi Harbhanu, >> And basically an ACK a UAS receives is sent by a proxy. >> A proxy will have no credential. >But then the proxy is sending the ACK after being received an ACK, so >can't it *get* those credentials.
No it can't. The ACK to 4xx is hop-by-hop. Have you looked at http://tools.ietf.org/html/rfc3665#section-3.3 Regards, Shinji >Also, on similar lines I too have one query, ACK retransmissions are >to be >strictly handled done by UAC or any stateful TU can do the same ?? _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
