Figure 91: Ucm6510 Pstn Detection; Figure 92: Ucm6510 Pstn Detection: Auto Detect - Grandstream Networks UCM6510 User Manual

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.

If there is only one FXO port connected to PSTN line, use the following settings for auto-detection.
Firmware Version 1.0.10.39

Figure 91: UCM6510 PSTN Detection

Figure 92: UCM6510 PSTN Detection: Auto Detect

UCM6510 IP PBX User Manual Page 151 of 339