I'm using default fax app of freePBX, now it can receive the incoming fax via sip trunk. But I have the concern: Is there any way to change/customize the incoming fax header? very appreciate any your suggestion.
Thanks
I'm using default fax app of freePBX, now it can receive the incoming fax via sip trunk. But I have the concern: Is there any way to change/customize the incoming fax header? very appreciate any your suggestion.
Thanks
There is 2 variables which you want modify
Just experement with both and see result.
https://wiki.asterisk.org/wiki/display/AST/Asterisk+11+Function_FAXOPT