search for: progrssinband

Displaying 2 results from an estimated 2 matches for "progrssinband".

Did you mean: progressinband
2016 May 03
2
Migrating asterisk 11 to 13: some callers get no ringback tone any more
...Why must > > progressinband=never > > be applied especially if asterisk uses it by default? The big difference > between w/ and w/o it is: The default in 13 is "no" which still allows early media through. That option has a complicated past. > > w/o the option progrssinband=never just the sip-package > 183 Session Progress > is sent. Yes, because it's doing inband progress using a media stream. > > w/ the option set, the additional sip-packages > 100 Trying > 180 Ringing > 180 Ringing > are sent. > > If progrssinband=n...
2016 May 03
3
Migrating asterisk 11 to 13: some callers get no ringback tone any more
Hello! I migrated asterisk 11 to 13 as user of FreePBX 12.0.76.2. As customer of German Telekom, I have three numbers and therefore three trunks - each number is bound to one trunk. After migration, some callers complained about missing ringback tone: they didn't hear any ring tone and where surprised that they suddenly got me anyway :-). The connection afterwards was as expected. Deeper