Firmware Version 1.0.2.21 UCM6100 Series IP PBX User Manual Page 65 of 159
Figure 28: UCM6100 FXO Tone Settings
4. Click on "Detect" to start PSTN detection.
Figure 29: UCM6100 PSTN Detection
x 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.
http://arttel.ru
http://arttel.ru/shop/ip-atc/ip-ats-grandstream-ucm6102