I have opened a JIRA for this: FS-5578 On 07/01/13 13:12, Peter Steinbach wrote:
while receiving a fax and forwarding it to Hylafay via a tty modem interface, we currently only get T.30 analogous fax working.
We have set <action application="set" data="fax_enable_t38_request=true"/> <action application="set" data="fax_enable_t38=true"/> However Freeswitch does not offer a reinvite with T.38.
The strange thing is: When we receive a fax with the rxfax application (and do not forward via tty modem to Hylafax), then Freswitch does offer a T.38 Reinvite and the fax is received via T.38.
So <patton> ----> <freeswitch rxfax>: Freeswitch offers T.38 Reinvite to Patton <patton> ----> <freeswitch> --TTY modem--> <Hylafax>: Freeswitch does not offer Reinvite to Patton