Specifications

Table Of Contents
5-47
Cisco AS5800 Operations, Administration, Maintenance, and Provisioning Guide
DOC-7810814=
Chapter 5 Maintenance
Troubleshooting
Async Calls
Symptom
Async user gets fast busy.
Possible Cause
ISDN PRI layer 2 is not up/channel busied out.
ISDN incoming-voice mode not configured.
Modem can not be allocated (busied out, firmware download in progress).
DNIS screening is enabled and access-rejected.
ISDN switch-type reconfigured, NAS needs reload.
Symptom
Some users can connect but some can not.
Possible Cause
Incorrect password/modem problem.
Dialer caller xxxxxxxxxx configured and user does not deliver caller-id.
Telco provision problem.
Symptom
Async user modem will not train-up or connect at low speed and retrains often.
Possible Cause
Check for slip seconds on the T1 controller.
Check for A/u-law, modemcap.
Check for client modem firmware version.
Check for client modem compatibility issues.
Interactive Async User
Symptom
Interactive Async user does not get Username Prompt.
Possible Cause
Need to hit return after connect.
Async-mode interactive not configured.