On this older Trixbox system version 1.1.1
looking at freePBX Version 2.1.1
under Setup -> Extensions -> IAX2 Extension
for this one IAX2 extension currently under Device Options we have
disallow all
allow gsm
we would like to allow gsm and ulaw
but how can you do this with only one field for allow
 
Member Since:
2006-07-16