DVG-5004S User’s Manual
VoIP Gateway Configuration
D-Link Systems, Inc.
41
Function
Fax Detection
Content of SDP of re-INVITE
Receive re-INVITE with T.38
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
There is no Re-Invite for T.30
Bypass mode
Accept and change RTP to T.38