4. Click on "Detect" to start PSTN detection.
If there are two FXO ports connected to PSTN lines, use the following settings for auto-detection.
Detect Model: Auto Detect.
Source Channel: The source channel to be detected.
Destination Channel: The channel to help detecting. For example, the second FXO port.
Destination Number: The number to be dialed for detecting. This number must be the actual
PSTN number for the FXO port used as the destination channel.
Firmware Version 1.0.0.5
Figure 24: UCM6510 FXO Tone Settings
Figure 25: UCM6510 PSTN Detection
UCM6510 IP PBX User Manual
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