180 should mean for the other side to provide ringing which is not something you want I guess.
On 6 Aug 2012 13:37, "Peter Olsson" <peter.olsson@visionutveckling.se> wrote:
>
> If you don't want to send 183, don't try to send early media. It's the only way.
>
> In the dialplan you posted, remove the line: <action application="playback" data="/tmp/test.wav"/>
>
> /Peter
>
>
> -----Ursprungligt meddelande-----
> Från: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] För Dennis
> Skickat: den 6 augusti 2012 12:58
> Till: FreeSWITCH Users Help
> Ämne: Re: [Freeswitch-users] Early media: Sending 180 instead of 183?
>
> we are doing a lot with ISDN-connections, while ISDN in germany seems to be very different from the ISDN in the usa.
>
> our carriers asked us to only send a 180 instead of the 183 because, as i wrote above, 183 messages are not mapped reliable to ISUP as written in the specification ITU-T Rec. Q.1912.5.
> the a-leg sends an IAM or INVITE, but does not receive an answer - this can differ from a-leg to a-leg.
>
> we know, that this problem is quite special, but we have the same problems with different carriers.
>
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