Grandstream UCM6100 User Manual for 1.0.9.25 - Manual (Page 150)

Firmware Version 1.0.9.25 UCM6100 Series IP PBX User Manual Page 149 of 303
Figure 87: UCM6100 FXO Tone Settings
4. Click on "Detect" to start PSTN detection.
Figure 88: UCM6100 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.