Figure 87: Downloaded Cdr File Sample - Source Channel And Dest Channel 1; Figure 88: Downloaded Cdr File Sample - Source Channel And Dest Channel 2; Figure 89: Downloaded Cdr File Sample - Source Channel And Dest Channel 3 - Grandstream Networks UCM6510 User Manual

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Source Channel, Dest Channel
Sample 1:

Figure 87: Downloaded CDR File Sample - Source Channel and Dest Channel 1

DAHDI means it is an analog call, FXO or FXS.
For UCM6510, DAHDI/(1-2) are FXO ports, and DAHDI(3-4) are FXS ports.
For UCM6510, DAHDI/(1-4) are FXO ports, and DAHDI(5-6) are FXS ports.
For UCM6510, DAHDI/(1-8) are FXO ports, and DAHDI(9-10) are FXS ports.
For UCM6510, DAHDI/(1-16) are FXO ports, and DAHDI/(17-18) are FXS ports.
Sample 2:

Figure 88: Downloaded CDR File Sample - Source Channel and Dest Channel 2

"SIP" means it's a SIP call. There are three possible format:
(a) SIP/NUM-XXXXXX, where NUM is the local SIP extension number. The last XXXXX is a random string
and can be ignored.
(c) SIP/trunk_X/NUM, where trunk_X is the internal trunk name, and NUM is the number to dial out
through the trunk.
(c) SIP/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.
Sample 3:

Figure 89: Downloaded CDR File Sample - Source Channel and Dest Channel 3

This is a very special channel name. If it shows up, most likely it means a conference call.
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
Firmware Version 1.0.0.5 UCM6510 IP PBX User Manual Page 172 of 192