User's Manual Part 2
Firmware Version 1.0.0.1  UCM6200 Series IP PBX User Manual  Page 298 of 320
Figure 182: Detailed CDR Information 
DOWNLOADEDCDRFILE
The downloaded CDR (.csv file) has different format from the web UI CDR. Here are some descriptions. 
  Call From, Call To 
"Call From": the caller ID. 
"Call To": the callee ID. 
If "Call From" shows empty, "Call To" shows "s" (see highlight part in the picture below) and the "Source 
Channel" contains "DAHDI", this means the call is from FXO/PSTN line. For FXO/PSTN line, we only know 
there is an incoming request when there is incoming call but we don't know the number being called. So 
we are using "s" to match it where "s" means "start". 
Figure 183: Downloaded CDR File Sample - Call To Shows "s" 
  Context 
There are different context values that might show up in the downloaded CDR file. The actual value can 
vary case by case. Here are some sample values and their descriptions. 
from-internal: internal extension makes outbound calls. 
ext-did-XXXXX: inbound calls. It starts with "ext-did", and "XXXXX" content varies case by case, which 
also relate to the order when the trunk is created. 
ext-local: internal calls between local extensions. 
  Source Channel, Dest Channel 
Sample 1: 










