Subject: [Asterisk-Users] Grandstream / SIP <-> IAX2 / Voicepulse

[dkwok at iware.com.au]

but.. not getting to connect SIP<->IAX2 and the problem is not
only with VoicePulse but with another provider as well in the same
situation, GS(SIP)-> * -> IAX2 -> ITSP


     -- Call accepted by 66.234.228.132 (format G729A)
     -- Format for call is G729A
     -- IAX2[voicepulse]/2 is busy
     -- Hungup 'IAX2[voicepulse]/2'
   == Everyone is busy at this time
     -- Executing Congestion("SIP/1604-4f72", "") in new stack

This is codec incompatibility. Either you/your provider cannot use G729 
to connect. Check your iax.conf and check the [general] context as this 
is the one for outgoing codec negotiation. There is bug in the codec 
negotiation process, you can refer to previous posts.

Do you have licence to use g729, otherwise unless voicepluse accept gsm 
calls.

-- 
David Kwok

FWD#/IAXTEL# : 17001813482 ext 1002
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