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Connected to a PBX extension line to detect the busy tone of PSTN
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• Connect one of the PBX extension lines to the gateway's FXO Port (P4 of V431; P3 or P4 of V422).
• Detect Channel: Enter 3 (The trunk line is connected to P3, and uses P3 for outgoing detection).
• Phone Number: Set the number of FXO line –to detect Reorder Tone.
• Dial Number: Enter the trunk prefix of a PBX, comma, and the number of the end to be tested
-- 0,36008913. (Assuming that an extension line is set to dial 0 to make outgoing calls).
• CPT group: Enter the group to save your settings to once the test has been completed. If
connecting the gateway to a PBX extension line, please do not set the detected busy tone of the PBX
and the PSTN in the same set, otherwise the value detected the first time will be overwritten.
• Finally, click the "Accept" button.
V400 Series VoIP Gateway User Guide
YML832 Rev1
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