Figure 225: Downloaded CDR File Sample - Source Channel and Dest Channel 1 
 
DAHDI means it is an analog call, FXO or FXS. 
For UCM6202, DAHDI/(1-2) are FXO ports, and DAHDI(3-4) are FXS ports. 
For UCM6204, DAHDI/(1-4) are FXO ports, and DAHDI(5-6) are FXS ports. 
For UCM6208, DAHDI/(1-8) are FXO ports, and DAHDI(9-10) are FXS ports. 
Sample 2: 
 
Figure 226: Downloaded CDR File Sample - Source Channel and Dest Channel 2 
 
"SIP" means it's a SIP call. There are three possible format: 
(a) PJSIP/NUM-XXXXXX, where NUM is the local SIP extension number. The last XXXXX is a random string 
and can be ignored. 
(c) PJSIP/trunk_X/NUM, where trunk_X is the internal trunk name, and NUM is the number to dial out through 
the trunk. 
(c) PJSIP/trunk_X-XXXXXX, where trunk_X is the internal trunk name and it is an inbound call from this trunk. 
The last XXXXX is a random string and can be ignored. 
 
There are some other possible values, but these values are almost the application name which are used by the 
dialplan. 
 
IAX2/NUM-XXXXXXX: it means this is an IAX call. 
Local/@from-internal-XXXXX: it is used internally to do some special feature procedure. We can simply ignore 
it. 
Hangup: the call is hung up from the dialplan. This indicates there are some errors or it has run into abnormal 
cases. 
Playback: play some prompts to you, such as 183 response or run into an IVR. 
ReadExten: collect numbers from user. It may occur when you input PIN codes or run into DISA 
Statistics 
CDR Statistics is an additional feature on the UCM6200 which provides users a visual overview of the call report 
across the time frame. Users can filter with different criteria to generate the statistics chart.