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Contents
vii
Changing the Setup Password ..........................................................80
Changing the Remote Escape Character ..........................................81
Chapter 6: Callback Security
Introduction ..............................................................................................85
Setup Procedures ....................................................................................85
To Change the Setup Password ........................................................86
To Turn Callback Security On and Off...............................................86
To Set the Parity of the Callback Security Messages .......................87
To Assign Callback Passwords and Phone Numbers .......................88
Calling Procedures ..................................................................................90
Password-Only Callback ....................................................................90
Number-Entry Callback ......................................................................91
Extension-Entry Callback ...................................................................92
Direct Connection...............................................................................93
Callback Security Commands .................................................................94
Chapter 7: Solving Problems
Introduction ............................................................................................103
None of the Indicators Light ..................................................................103
The Modem Does Not Respond to Commands ....................................104
The Modem Dials But Cannot Connect.................................................107
The Modem Disconnects While Online .................................................109
The Modem Cannot Connect When Answering....................................110
File Transfer Is Slower Than It Should Be ............................................110
Data Is Being Lost .................................................................................111
There Are Garbage Characters on the Monitor ....................................111
The Modem Doesn’t Work with Caller ID ..............................................112
Fax and Data Software Can’t Run at the Same Time ..........................112
Appendix A: Regulatory Compliance
FCC Regulations for Telephone Line Interconnection ..........................115
Canadian Limitations Notice..................................................................117
FCC Fax Update....................................................................................118
Compliance with BABT Requirements ..................................................119