Grandstream Networks UCM6510 - Figure 100: UCM6510 PSTN Detection: Auto Detect; Figure 101: UCM6510 PSTN Detection: Semi-Auto Detect

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UCM6510 IP PBX User Manual
Version 1.0.20.31
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.
Figure 100: UCM6510 PSTN Detection: Auto Detect
 If there is only one FXO port connected to PSTN line, use the following settings for auto-detection.
Figure 101: UCM6510 PSTN Detection: Semi-Auto Detect
Detect Model: Semi-auto Detect.
Source Channel: The source channel to be detected.