You need to find out the linecoding, clocking, framing and signaling type that the PBX uses to interface to the E1 on the 3640. The signaling type has to match. If you are using E1 R2, then you need to see whether it is compelled, semi-compelled, etc...if you are using E1 ISDN, you need to find out ISDN switch type and if it is Qsig or PRI. We have some URLs below that may help get you started:
These are the paths to get to each CCX logs through CLI. They may be helpful if you are having issues accessing RTMT or downloading logs through it.
If you want to download them you have to prefix "file get " and you can add one of the options (re...