Hello, my name is Martin and i am new in the list.
I'm trying to put on an access server cisco as5200 with support 56kbps.
I probed three IOS version (11-3.9T, 11-3-9A and 12.0.1) with different modems (mica) firmwares (2.3.1.0, 2.6.2.0, 2.7.2.0) in differents combinations.

The as works fine one or two days, after thats it begin to give busy tone (it is connected to E1) and i need to restarted.

Some one could work fine with this servers ??. How ??. I need 56kpbs, callback and authenticate over a radius server, my configuration works fine, but the AS works horrible !

Thanks.-