User's Manual
Firmware Version 1.0.0.5 
UCM6510 IP PBX User Manual 
Page 71 of 192 
Figure 24: UCM6510 FXO Tone Settings 
4.  Click on "Detect" to start PSTN detection. 
Figure 25: UCM6510 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. 










