Sambit Pooja wrote:
> yes how a session timer is maintained while the call is on hold in a
> B2BUA .
> when session is refreshed by UAS.
>
> Does it require for switch to alert the holding party, so that it can
> unhold before
> session expires ?
Assume that session timer was in effect before the call was put on hold.
The call could be put on hold in different ways. Lets assume the
simplest: the end that wants to initiate hold sends a reINVITE with
a=sendonly. Every time you do a reinvite the session timer is
renegotiated. So unless somebody requests the session timer, it will go
away as a result of the reinvite. If it is renegotiated, then one party
will be designated as the refresher. If that happens then another
reinvite will be triggered as a result. This does *not* require that an
unhold occur.
Paul
> */Paul Kyzivat <[EMAIL PROTECTED]>/* wrote:
>
>
>
> Sambit Pooja wrote:
> > Hi all
> >
> > Please expalin how How Session is Refreshed in Call Hold Scenario
>
> I don't understand the question. Are you asking how the call gets off
> hold? Or how a session timer is maintained while the call is on
> hold? Or
> what?
>
> Frankly, there is no particular reason why any further signaling is
> required once a call is put on hold, except as a result of an explicit
> stimulus by somebody aware of the call.
>
> Paul
>
> > Sambit
> >
> >
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