The ringback tone is generated locally by the callers user agent -
typically as soon as the 180 ringing is received.
If a 183 Early media is received, the callers UA will use the incoming
RTP stream as ringback tone.
klaus
GR S wrote:
Folks,
Sorry to bother you all with such a silly question, but I am facing
some issues with ringback tones. I am using SJphones with SER. They
work perfectly well, I can make calls to other extensions and talk. I
am maintaining a list of valid users in a database table, and have a
small module which checks the authennticity of the dialed extension
when SER receives INVITEs, and if it is valid, the call is t_relayed to
the called extension. My problem is when an extension is dialed, I
cannot hear the ringing tone at the callers end. I searched on the
archives, but could not find mails addressing such a problem. Obviously
I am missing something here. Can anyone help?
Thanks for your time...
Regards, Girish
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