[cisco-voip] AS5300 PSTN->SIP ringback question

[Klaus Darilion]

Hi Robert!

We are also using 5300 and ringback is fine. Here 
(http://www.enum.at/index.php?id=218&L=9) you can find a config which 
worked fine for us.

Regards,
klaus

Robert Boyle wrote:

> Hello all,
> 
> I have an AS5300 running 12.3(13) with 549 DSPs and an NI PRI. SIP->PSTN 
> and PSTN->SIP calls work perfectly. The problem is that I don't get any 
> ringback when dialing PSTN->SIP because the call is still not setup. The 
> AS5300 doesn't pick up and establish the call until it negotiates an RTP 
> stream. That negotiation doesn't happen during the notify or the ringing of 
> the SIP phone, but only after it is picked up which may be 30-60 seconds or 
> until it is forwarded to voicemail. Once either event happens, the RTP 
> stream is established and the call begins. Is there a way to tell the 
> AS5300 to either - tell the phone company to generate ringback during the 
> SIP alerting and negotiation phase - or - have the AS5300 pick up the call 
> and generate ringback then transfer the call once the called party answers 
> (or voicemail answers)? Any help or sample configs would be appreciated. 
> Thank you!
> 
> -Robert
> 
> 
> Tellurian Networks - The Ultimate Internet Connection
> http://www.tellurian.com | 888-TELLURIAN | 973-300-9211
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