User's Manual Part 1
Firmware Version 1.0.0.1  UCM6200 Series IP PBX User Manual  Page 151 of 320
  If there is only one FXO port connected to PSTN line, use the following settings for auto-detection. 
Figure 96: UCM6200 PSTN Detection: Semi-Auto Detect 
Detect Model: Semi-auto Detect. 
Source Channel: The source channel to be detected. 
Destination Number: The number to be dialed for detecting. This number could be a cell phone 
number or other PSTN number that can be reached from the source channel PSTN number. 
5.  Click "Detect" to start detecting. The source channel will initiate a call to the destination number. For 
"Auto Detect", the call will be automatically answered. For "Semi-auto Detect", the UCM6200 web GUI 
will display prompt to notify the user to answer or hang up the call to finish the detecting process. 
6.  Once done, the detected result will show. Users could save the detecting result as the current 
UCM6200 settings. 
Table 48: PSTN Detection for Analog Trunk 
Detect Model 
Select "Auto Detect" or "Semi-auto Detect" for PSTN detection. 
 Auto Detect 
Please make sure two or more channels are connected to the 
UCM6200 and in idle status before starting the detection. During the 
detection, one channel will be used as caller (Source Channel) and 
another channel will be used as callee (Destination Channel). The 
UCM6200 will control the call to be established and hang up between 
caller and callee to finish the detection. 
 Semi-auto Detect 
Semi-auto detection requires answering or hanging up the call 










