How this header filed is interpreted at the user agent ? And what values it can hold and importance of those values ?
CSeq is just like transaction ID for your SIP request, it will be important if you are testing In Dialog testing. Some operators want all transactions to be Indialog as per my understanding.
Hi all, want to know the function and differences between record route header and route header in SIP. the other two headers(Via and Contact header) are clear to me. Please help to clear the understanding.
While going through rfc 3665 , I stopped where proxy server was sending 407 to originator of INVITE request message. I want to know in what cases/scenarios, proxy server does this.
