search for: mypstngate

...STN gateway provider supports both, so that's not a problem, and if I force him (the PSTN gateway) to allow G729 only, the outgoing call will take place with G729. The problem is that I want to have my PSTN provider configured to allow ULAW as a first priority, then G729. I did it like that: [mypstngate] type=friend host=192.168.0.100 port=5060 context=pstn-in canreinvite=no disallow=all allow=ulaw allow=g729 Then, in the outgoing context for our G729 SIP customers, I've put something like that: exten => _0NXXXXXXXX,1,setvar(SIP_CODEC=g729) exten => _0NXXXXXXXX,2,Dial(SIP/0041${EXTEN:1}...