[asterisk-users] ISDN incoming call - inband info and announcements BEFORE ANSWER

Hi all, Is a way to force Asterisk to send DSS1 PROGRESS message to PSTN with indicator: Inband information now available, before call is established (even before ALERTING phase)? I also think that this indicator can be contained in CALL PROCEEDING message. My idea is to play not billed

Re: [asterisk-users] ISDN incoming call - inband info and announcements BEFORE ANSWER

On Aug 1, 2006, at 3:13 PM, Michal Doležel wrote: Is a way to force Asterisk to send DSS1 PROGRESS message to PSTN with indicator: Inband information now available, before call is established (even before ALERTING phase)? I also think that this indicator can be contained in CALL PROCEEDING