T38 Fax Mode (T38)

If T.38 re-invite is received from the other side, Fax Voip T.38 Modem switches to T.38 and sends the fax. If T.38 re-invite is not received, sending a fax is not happening. To set this mode in VOIP Outgoing Call Routing rule:

1.     Uncheck G.711 audio fax option.

2.     Check T.38 fax option.

3.     Uncheck Send T.38 re-invite option.

Notes

• It is recommended to use this mode with providers that have a stable support for T.38 standard.