[SIPForum-discussion] c-seq value in SIP call

[Ronald del Rosario]

The best book I can recommend is Rogelio Martinez Perea's "Internet
Multimedia Communications Using SIP" because it has sample codes and
covers SIP and RTP topics from the ground up.

 

http://astore.amazon.com/packe08-20/detail/0123743001

 

(I am a VoIP Engineer for a pioneer SaaS company in the Bay Area, this
book has been my reference ever since)

 

Hope this helps,

Ron

From: discussion-bounces at sipforum.org
[mailto:discussion-bounces at sipforum.org] On Behalf Of Ruben Roque
Sent: Thursday, October 28, 2010 9:16 PM
To: Nitin Kapoor
Cc: discussion at sipforum.org
Subject: Re: [SIPForum-discussion] c-seq value in SIP call

 


Hello Murali,

 

I think the link mentioned by Mr Nitin is more elaborate and good for
your understanding. Please refer this document.

 

Mr Nitin : Thanks for sharing this document. It gives a better insight
into SIP header.

 

Thanks and Regards,

Reuben Decruz

On Tue, Oct 26, 2010 at 9:00 AM, Nitin Kapoor <nitinkapoorr at gmail.com>
wrote:

Murali,

Please refer to the below link for "Command Sequence", when its
incremented and when should not, also what is the use of this header in
SIP call.

http://www.z9hg4bk.org/sip/hf/cseq.html

And if still you have a doubt then raise the query..

Thanks,
Nitin Kapoor

On 26 October 2010 10:42, murali shankar <murali.elangovan at gmail.com>
wrote:

	Hi All,

	 

	Please explain me the below

	 

	1.What is the use of c-seq in a SIP call ?

	2.I Have observed that in all the cases the values is 1 except
when it sends the bye request[it is giving cseq ID:-2]

	3.In what are all the cases the c-seq value will get chaged?

	
	-- 
	Thanks & Regards, 

	Murali Shankar.E

	 

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