Hello,
Some help could be found here: http://www.isdnaudio.com/isdnguide.html
Br,
Jorma K.
2009/10/7 Joerg Bergmann <address@hidden <mailto:address@hidden>>
Hello,
while connecting to a german ISDN phone, I had to disable
all codecs except PCMA and PCMU. Otherwise, the ISDN phone
wasn't able to hear me. Maybe that's an error in codec
negotiation in linphone; the ISDN phone may give no answer
at all and linphone has to use PCMA? PBX was sipgate.de
<http://sipgate.de>.
Joerg
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