Re: [Sip-implementors] FROM-TAG(Local Tag) Need - Detailed Explained Req

Hi Sridhar, Refer RFC 3261 which is successor of RFC 2543. Regards, Anand On Tue, 3 Sep 2019, 18:50 Sridhar Kumar N, wrote: > Dear All > od Day, > > While Studying SIP protocal, Stuck at FROM-TAG usage. > TO-TAG usage is clearly explained in RFC2543. But FROM -TAG usage is > written in

Re: [Sip-implementors] Early Media and 200 OK with SDP

Hi Anjan, If already offer answer exchanged before ACK, in 1xx and prack then ACK need not contain the sdp. Regards, Anand Konji On May 24, 2017 4:36 PM, "Anjan Naik" <anjankumarn...@gmail.com> wrote: HI All, Could anyone look at the below scenario and let me know expe

Re: [Sip-implementors] RE-INVITE QUESTION

Hi, Following info might help you, Refer rfc 6141 section 3.8, *3.8* *. Clarifications on Canceling Re-INVITEs* Section 9.2 of RFC 3261 [ RFC3261 ] specifies

Re: [Sip-implementors] Offer Answer Model During Early Dialog

contains offer and ack will contain ans. If 100 rel is supported then offer and ans will be exchanged before 200 ok using prack and followed by 200ok for prack. Sent from mobile, Anand Konji On Dec 18, 2015 6:33 PM, "Vivek Batra" <vivek.ba...@matrixcomsec.com> wrote: > AFAIK

Re: [Sip-implementors] Need of From/To Tag in SIP Dialog

Just adding more info to Brett's ans, Callid and from tag are added by source. To rag is added by destination. So dialog will be formed by contribution of both end. This would have not possible if rfc documented as you said. On Oct 27, 2015 6:03 PM, "Brett Tate" wrote: >

Re: [Sip-implementors] Difference between a SIP 401 and SIP 407 Responses

Required) response message is used by a proxy to challenge the authorization of a client and MUST include a Proxy-Authenticate header field containing at least one challenge applicable to the proxy for the requested resource. Sent from Nexus 6, Anand Konji On 20-Oct-2015 12:35 PM, "Harshith

Re: [Sip-implementors] Difference between a SIP 401 and SIP 407 Responses

Generally (but not limited to ), - 407 proxy responses for messages sent to SIP clients. - 401 responses for messages sent to SIP servers. E.g. - messages like INVITE & BYE will receive 407 responses - messages like REGISTER & SUBSCRIBE will receive 401 responses. On 20-Oct-2015 8:07 PM, "Brett