Re: No ringing tone

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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.


----- Original Message ----- 
From: "Stewart Nelson" <sn@xxxxxxxxxxx>
To: <openh323gk-users@xxxxxxxxxxxxxxxxxxxxx>
Sent: Monday, September 13, 2004 04:12 PM
Subject: Re:  No ringing tone


> Hi,
>
> The destination GW is probably sending the ringing tone as audio (e.g.
> after Progress).  The NAT doesn't know to what private address to
> send the audio, until the caller sends some audio out.  But that
> won't happen until the called party answers and Connect is
> received by the caller.
>
> To fix this you can:
>
> 1. Configure the NAT to forward the UDP ports used by your
>    endpoint for RTP and RTCP.  Find this from endpoint docs
>    or by sniffing.  Or,
>
> 2. Configure the endpoint as DMZ.  Or,
>
> 3. Set the destination GW to send Alerting, and the calling
>    device to play a local ringing tone.  This is not a
>    good solution for calls to PSTN, etc., because 'number
>    has been changed' and similar announcements will not
>    be heard.
>
> --Stewart
>
> ----- Original Message ----- 
> From: "Rafat Subhan" <rafat@xxxxxxxxxxxxxxx>
> To: <openh323gk-users@xxxxxxxxxxxxxxxxxxxxx>
> Sent: Monday, September 13, 2004 12:35 PM
> Subject:  No ringing tone
>
>
> Michal.
> I am testing one gateway , i am behind NAT and GK is on public IP, prob is
this that i am unable to
> get ringing tone with this gw but i can hear & talk voice with other
person , but no ringing tone.
> is this bug or what ?
> shud i send u logs for this?
>
>
>
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