Connected To A Pbx Extension Line - D-Link DVG-5004 Operation Manual

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36008913). After it rings pick up the phone and enter"#", then hang up. The system will then detect a
busy tone automatically.
After detecting it will be as below:

Connected to a PBX Extension Line

If Gateway is connected to a PBX extension line, then the busy tone of both the PBX and the PSTN must
be detected.
Connecting to a PBX extension line and detecting the busy tone of the PBX
36008913
Connect one of the PBX extension lines to the Gateway FXO Port (For MODEL 2S2O, connect the
line to P3).
Detect Channel: Enter 3 (The trunk line is connected to P3, and
Phone Number: Set the number of FXO line –to detect Reorder Tone.
Dial Number: Enter the number of the end to be tested—307.
CPT grout: Enter the group that after testing to replace with
Finally, click the "Accept" button.
Connected to a PBX extension line to detect the busy tone of PSTN
36008913
307
301
307
36008914
301
SIP Operation Manual V2.6
uses P3 for outgoing detection).