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Contents
iv
MultiModemZBA-V-V92 User Guide
Chapter 4- AT Commands, S-Registers, and Result Codes .................................... 20
AT Commands .................................................................................................. 21
S-Registers........................................................................................................ 40
Result Codes..................................................................................................... 43
Chapter 5 - Remote Configuration ............................................................................. 47
Basic Procedure ............................................................................................... 47
Setup.................................................................................................................. 47
Chapter 6 - Callback Security..................................................................................... 57
Setup.................................................................................................................. 57
Calling Procedures ........................................................................................... 60
Callback Security Commands ......................................................................... 62
Callback Assignments Form ........................................................................... 66
Chapter 7 - Modem on Hold Operation ...................................................................... 68
What Is Modem on Hold? ................................................................................. 68
The Modem on Hold Program.......................................................................... 68
Using Modem on Hold...................................................................................... 71
Chapter 8 - Solving Problems .................................................................................... 74
None of the Indicators Light ............................................................................ 74
The Modem Does Not Respond to Commands .............................................. 75
The Modem Cannot Connect When Dialing ................................................... 76
The Modem Disconnects While Online........................................................... 77
The Modem Cannot Connect When Answering ............................................. 78
File Transfer Is Slower Than It Should Be ...................................................... 78
Data Is Being Lost ............................................................................................ 78
There Are Garbage Characters on the Monitor.............................................. 79
The Modem Doesn’t Work with Caller ID ........................................................ 79
Fax and Data Software Can’t Run at the Same Time..................................... 79