Hi,
on a similar setup I set in sip.conf:
prematuremedia=no
progressinband=never
in the peers configuration.
With this config you tell Asterisk not to handle inband information at
all. But: Maybe you won't get any inband error messages also.
Greetings from Wuppertal
Max Grobecker
Am
Hi
We are using asterisk 1.8.7.0
Our Sip provider is passing us ringing via Early Media, i.e. using a SIP
183 Session Progress, with session description message which is fine for
the most part but some of our customers are terminating on an ISDN
gateway which doesn't interpret this message and
