I have seen PSTN gateways which do not send BYE immediately, but after some time and instead of BYE you get a tone indicating that they other party has hung up. So you might want to check this first.

Jan.

On 28-07-2005 15:11, Sebastian Kühner wrote:

Hi!

I'm connecting to a Cisco PSTN Gateway for international calls. I'm using a Port Restricted Cone NAT.

I can make calls and make a hangup with MY phone, but if the callee at the other side of the gateway hangs up, I do not get the BYE-Message.

That could be the problem of the Restricted Cone NAT... or someone has another idea?

Thanks!

Sebastian

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