[Freeswitch-users] Problem with SIP 180 + FreeTDM

[Moises Silva]

2010/11/18 Juan Antonio Ibañez Santorum <juanito1982 at gmail.com>

> Hello boys!
>
>    I have one problem after updating from openzap to freetdm. Now, whe FS
> receives 'Proceeding' from PRI sends a SIP 180 which makes the phone to play
> a fake ring tone. After some seconds, when FS receives 'Alerting' from PRI,
> FS sends a SIP 183 with the real ring tone.
>
> Is there any way to avoid first SIP 180? If the calle is busy, I can hear a
> ringing tone between SIP 180 and SIP 183 and a busy tone after SIP 183. Same
> if calle is a mobile phone and it is out of signal.
>
>
Can you also tell us which ISDN stack are you using? we will update
naturally first ftmod_sangoma_isdn, but as soon as we do that we can take a
look at ftmod_libpri or ftmod_isdn if you are using those.

Moises Silva
Senior Software Engineer
Sangoma Technologies Inc. | 100 Renfrew Drive, Suite 100, Markham ON L3R 9R6
Canada
t. 1 905 474 1990 x128 | e. moy at sangoma.com
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