Quick Tips when issuing AT Commands  | 12  | 
Modem Result Codes  | 13  | 
Viewing S Register Values  | 13  | 
Changing S Register Values  | 13  | 
 | 14  | 
Storing Phone Numbers  | 14  | 
Dialing Stored Phone Numbers  | 14  | 
Saving Settings and User Profiles  | 14  | 
Default Modem Settings for PC’s  | 15  | 
4 AT Command Set Summaries | 17  | 
Basic AT Command Set  | 17  | 
Extended AT& Command Set  | 18  | 
Extended AT* Command Set  | 20  | 
5 Status Registers & Result Codes | 21  | 
21  | |
21  | |
Result Code Options  | 23  | 
"ATXn" Result Code Option Table  | 23  | 
Result Code Field Descriptions  | 24  | 
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