Hi, >Rajani, > >The sentence is relevant only to 2xx to INVITE. >And basically an ACK a UAS receives is sent by a proxy.
Correctly, an ACK to 4xx is generated by a proxy. The ACK is hop-by-hop. And an ACK to 2xx is generated by a UAC. The ACk is end-to-end. Regards, Shinji >A proxy will have no credential. >That is, the ACK need not have a credential. > >Regards, >Shinji > >"rajanikanth.ha" <[email protected]> >Wed, 26 May 2010 11:06:56 +0530 >>Hi all, >> >>Can anybody please suggest me how to check the following requirement >>of >>RFC3261: >> >>In section 13.2.2.4 2xx Responses of RFC3261 >>The ACK MUST contain the same credentials as the INVITE. >> >>UAC UAS >> >>1.INVITE ------------> >>2. <------------407-INVITE >>3.ACK---------------> >> >>Do i have to check credentials in the ACK message sent in the step 3 >>with that of INVITE request sent in step1? >>Is it correct? >> >>-- >>Thanks, >>Rajani _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
