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54 SmartVoice Gateway(s) User Guide
YML832 Rev1
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
36008913
307
301
Note: The above diagrams show a 4-port SmartVoice gateway for illustration purposes.
An 8, 16 or 32 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.