As has been noted, it can be used in this form to revise the Contact
address, and it may be used to refresh a session-timer. INFO is no good
for either of those things.
It has advantages, over reINVITE, for both of those things in that you
can be certain that there will be no new offer/answer exchange.
THanks,
Paul
Sunil Bhagat wrote:
> Hi All,
>
>
>
> I have a small query regarding UPDATE method.
>
> UPDATE method is used to change the session parameters. I wanted to know,
> what is the use of sending UPDATE without any sdp.
>
>
>
> Thanks,
>
> Sunil
>
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