DVG-N5412SP User’s Manual ADVANCED
D-Link Systems, Inc. 61
3-2-1-8 Fax
ADVANCED → VoIP → FAX
Option Fax Detection Content of SDP of re-INVITE re-INVITE with T.38 from remote party
Disable No N/A Accept and change RTP to T.38
T.38 Fax Yes re-INVITE with T.38 and T.30 Accept and change RTP to T.38
T.30 Fax Yes re-INVITE with T.30 Accept and change RTP to T.38
T.30
Fax/Modem
Detect CED
only
re-INVITE with T.30 Accept and change RTP to T.38
T.30 Only No N/A Accept and change RTP to T.38
T.38 Native Yes re-INVITE with T.38 Accept and change RTP to T.38
T.30 V.152 Yes N/A Accept and change RTP to T.38
Note: When a fax tone is detected from the call, the VoIP Router will automatically switch from voice mode
to fax mode. Hence, the fax settings will be temporarily applied to a specific port which detects the fax tones,
instead of its default voice settings.