NetComm 4-port and 8-port Gateways Gateway Series Reference Manual page 54

Connected to a PBX Extension Line
If the 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
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Note: The above diagrams show a 4-port SmartVoice gateway for illustration purposes.
An 8 port SmartVoice gateway could also be used depending upon your network
requirements.
• Connect one of the PBX extension lines to the Gateway FXO Port.
• Detect Channel: Enter 4 (if the trunk line is connected to P4, and uses P4 for outgoing detection).
• Phone Number: Set the number of the FXO line –to detect Reorder Tone.
• Dial Number: Enter the number of the end to be tested—307.
• CPT group: Enter the group to save your settings to once the test has been completed.
• Finally, click the "Accept" button.
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SmartVoice Gateway(s) User Guide
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