I'm currently using an RPi B 256M running raspbx & an OBi110. Whilst it's running perfectly fine the way I have it setup I feel that it could be better.
I currently have the Obi setup as follows:
SP1 Goes out to the line, Asterisk is setup to see this as a trunk with the following settings.
username=pstn secret=REMOVED host=dynamic type=friend context=from-trunk qualify=yes dtmfmode=rfc2833 canreinvite=no disallow=all allow=alaw
So at present a call goes like this.. Phone (SP2 attached to the obi) -> Obi -> Asterisk -> Obi again -> SP1.
There has to be a better way than this!
There is a slight delay with calls going through too & I'm trying to work out whether it's the Slow Pi or the Obi or it's due to it looping so much.
The phones call return digitmap is
On an unrelated note: BT seem to have done something to our line & it sounds a lot clearer than it did previously which caused issues for the Obi [see my previous threads]. G.INP maybe?