Hi,
Find out (e.g. with Ethereal) if the gateway is trying to send audio during the alerting interval.
If not:
Your endpoint needs to play a locally-generated ringing tone to the caller. If it's not doing that, it is an endpoint configuration problem that has nothing to do with NAT or gnugk. If you can't fix it at the endpoint, perhaps you can change the gateway configuration to send call progress as audio.
If the gateway is trying to send audio, it could be getting blocked by gnugk or by the NAT.
If gnugk is blocking it, that's because it is *wrong* to send audio without Progress or Connect, although some gateways do it. It's not a bug, it's the absence of a feature for dealing with brain-damaged gateways! Try turning off ProxyForNAT and see if that helps, or fix the gateway so it sends Progress.
Your NAT could also be blocking the audio, but you hear ringing tone with other gateways because it's being generated locally. In which case fix the NAT as described in an earlier message.
--Stewart
----- Original Message ----- From: "Rafat Subhan" <rafat@xxxxxxxxxxxxxxx>
To: <openh323gk-users@xxxxxxxxxxxxxxxxxxxxx>
Sent: Monday, September 13, 2004 1:28 PM
Subject: Re: No ringing tone
Dear, I can hear ringing tone with other gateways with same endpoint and with same NAT. plus i can hear voice after i will talk. but just ringing tone problem.
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