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DVG-2016S/2032S User's Manual
FAX / Modem: Select the mode to detect if there is a fax tone and transfer the call to a fax line.
Function
Disable
T.38 Fax
T.30 Fax
T.30
Fax/Modem
T.30 Only
T.38 Native
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.
Ring (Early Media) Time Limit[10 - 600secs]：
Enable End of Digit Tone：
progress.
VoIP Calling Notification: The gateway will play a tone to notify that the call is via VoIP.
Enable Built-in Call Hold Music: The default setting is that when receiving a call hold request, the
gateway will play music on hold. Untick the check box to disable this function while necessary.
D-Link Systems, Inc.
Fax Detection Content of SDP of re-INVITE
No
Yes
re-INVITE with T.38 and T.30 Accept and change RTP to T.38
Yes
re-INVITE with T.30
Detect CED
re-INVITE with T.30
only
N/A(All the calls use T.30
No
codec of RTP stream, not
need to change codec.)
Yes
re-INVITE with T.38
： The gateway will play a "Beep-Beep" tone to notify that the call is in
： ：
Receive re-INVITE with T.38
N/A
Accept and change RTP to T.38
Accept and change RTP to T.38
Accept and change RTP to T.38
Accept and change RTP to T.38
Accept and change RTP to T.38
： The timeout to cancel a call when no one answers.
： ：
Telephony Settings
19
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