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

Ruben Roque decruzreuben at gmail.com
Fri Oct 29 04:15:35 UTC 2010


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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>
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