[Telepathy] telepathy: problem fro accessing stream--engine

[Matthieu LAURENT]

I did nit get any answer to my last email (see below).
Can someone help me please?
regards
Matthieu


>>> I have success in making the telepathy client "tp_caller" (from project
>>> telepathy-sofiasip) working.
>>>
>>> I can see that interface
>>> org.freedesktop.Telepathy.ChannelHandler, methode HandleChannel
>>> of the stream-engine is accessed by the function tp_ch_handle_channel()
>>> of the libtelepathy library
>>>
>>> I don't see any binding in libtelepathy in order to access interface
>>> org.freedesktop.Telepathy.StreamEngine, method SetOutputVolume for example
>>>
>>> Could you tell me how to add this functionality in libtelepathy, and how
>>> to call it from the telepathy client tp_caller, in oder to access
>>> directly to the whole interface of the stream-engine (or if there is a
>>> simplest way to access this function SetOutputVolume)?
>>>
>>> thanks for your help
>>>
>>> Matthieu