Currently issues having to do with the rendering of the media is out of
scope for sip. It is indeed an application level issue above sip. As
Christer mentioned, you could use INFO to convey application level
information, but that leaves open how to model the application at that
level and what sorts of controls are possible.
The mediactrl group has worked on protocols for controlling media
servers, so that is another place to look. But I don't think they have
explored what you are looking for. And mediactrl is not something that a
"normal" sip UA would currently implement.
Thanks,
Paul
Niall Murray wrote:
Hello All,
Is there any SIP method that can be used to update application session
characteristics? For example, would it be possible to increase the
volume of a SIP enabled speaker from a device acting as a third party
call controller in a session?
Thanks
Niall
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