DVG-6004S/6008S User’s Manual
Telephony Settings
y
FAX/Modem:
Enable this line to detect if there is a fax tone and transfer the call to a fax line.
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(All the calls use T.30
codec of RTP stream, not
need to change codec.)
Accept and change RTP to T.38
T.38 Native
Yes
re-INVITE with T.38
Accept and change RTP to T.38
NOTE: When a fax tone is detected from the call, the gateway 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.
y
Trunk Hunting Order
: To set FXO dial-out mode when there is an incoming call dialed FXO
representative number.
First Idle
: The gateway will assign each unassigned call from first FXO line.
Sequential
: The gateway will automatically assign the first unassigned call to the first FXO line. The
second FXO line will dial the second unassigned call out. Each line will be used.
D-Link Systems, Inc.
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