Soundwin VoIP Voice Gateway User Manual page 54

signal.
RFC2833 Payload: Adjust RFC2833 DTMF payload value, range from 96 to 127, default
is 101.
FAX Mode Option: T.30/T.38 real-time FAX compliant Voice/FAX auto-switch. The T.38 is
a "Real Time Group 3 Fax Communication over IP network" format.
That's meaning it's a protocol for Fax over IP. You have to enable this
function
(T.38 mode isn't support all gateway, different band use T.38 have a
little change, it maybe let T.38 FAX Error)
Watchdog: When your gateway shutdown, or something happen that made
gateway can't work fine. Watchdog will reboot your gateway
automatically when it can't work.
[Telephone Advance]
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