10/19 14:34:15 0000:02:20 6304 1570xxxxxxx A T120
002 26304 E002442
The "A" in this field means Answer Supervision - the call was answered and a signal was sent back to the 3300 that it was.
In general, this only happens on PRI circs.
10/19 14:33:18 6304 1570xxxxxxx T118
002 26304 K002305
With a blank in the call duration it means the call was not answered.
10/19 12:19:04 0000:00:59 T101 0016 6304 2500 2506
002 570xxxxxx 6300 Q002414
Call came in on trunk 101 with digits 5304, was forwarded to 2500 and answered on port 2506. (Voice Mail?)
The originating caller was from your 570xxxxxxx number.
10/19 12:18:33 0000:00:15 T101 0001 6300 2500 2504
X 6304 002 xxxxxxx 6300 M002027
Call came in on trunk 101, dialed 6300, forwarded to 2500 and answered on port 2504.
From there it was transferred to 6304
I reread your original post. Be sure that internal SMDR is turned on for all phones and trunks in their COS.
Ralph
www.university-music-on-hold.com