[Serusers] Ringback tone

[Greg Fausak]

I have an issue with ringback :

For specific users (AT&T cell phones)
When they call something on my network, the person on
the AT&T cell phone does not hear a ring.  The
call looks like:

AT&TCELL <-> PSTN <-> CISCOSIP <-> SER <-> UAC

But, any other cell phone, and any other phone for that matter,
hears a ring when calling.

---greg

Greg Fausak
www.AddaBrand.com
(US) 469-546-1265
On May 4, 2004, at 2:58 PM, Klaus Darilion wrote:

> 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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