Chapter 4 Problems And Solutions - Zoom ISDN TA/V.34 Owner's Manual

Chapter 4
If your ISDN card is not working, please read this chapter and the
communications software documentation carefully.
For installation problems, see Chapter 2, Installation .
This chapter covers general troubleshooting, application failures, ISDN
line connections, and problems with ML-PPP, voice, and analog
connections.
For help with this problem...
General Troubleshooting
The software can't find the ISDN card, or the card does not respond to AT
commands.
Application reports Modem Initialization error.
The ISDN card takes too long to hang up.
You receive an ERROR response.
The ISDN card does not auto-answer.
You encounter other communications problems.
ISDN Line Connections
The ISDN card does not complete calls over ISDN.
The ISDN card will not make calls over the ISDN line.
ISDN card will not receive calls over ISDN line.
Calls do not connect.
Some calls connect but not other calls.
ML-PPP Connections
The ISDN card will not make an ML-PPP connection.

Chapter 4 Problems and Solutions

Problems and Solutions
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