User Manual

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LZT 123 7263 R1A
4.3.2 Antenna Type .................................................................................. 71
4.3.3 Antenna Placement .........................................................................71
4.3.4 The Antenna Cable..........................................................................71
4.3.5 Possible Communication Disturbances..........................................72
5. Technical Data........................................................................................................ 73
Part 4: Using AT Commands.............................................................................. 75
1. Introduction to AT Commands ............................................................................ 77
1.1 Overview ......................................................................................... 77
1.2 Syntax Description....................................................................................... 77
1.2.1 Conventions.....................................................................................77
1.2.2 AT Command Syntax.......................................................................78
1.2.3 AT Response Syntax ........................................................................79
1.3 Error Codes ......................................................................................... 81
1.3.1 +CME ERROR (Mobile Equipment Error Code)...........................81
1.3.2 +CMS ERROR (Message Service Failure Result Code) ................82
1.4 Examples on How to Use the AT Commands ............................................ 83
2. Call Control ............................................................................................................85
2.1 AT+CPIN PIN Control...................................................................... 85
2.2 ATA Answer Incoming Call..................................................... 85
2.3 ATD Dial .................................................................................. 86
2.4 ATH Hang up............................................................................ 88
2.5 ATL Monitor Speaker Loudness.............................................. 88
2.6 ATO Return to Online Data Mode............................................ 89
2.7 ATP Select Pulse Dialling........................................................ 89
2.8 ATT Select Tone Dialling ........................................................ 89
2.9 ATX Call Progress Monitoring Control ................................... 90
2.10 AT+CHUP Hang up Call.................................................................... 90
2.11 AT+CMOD Call Mode ........................................................................ 91
2.12 AT+CVHU Voice Hang-Up................................................................ 92
2.13 AT+VTS DTMF and Tone Generation ........................................... 92
3. Control and Status .................................................................................................95
3.1 ATQ Result Code Suppression................................................. 95
3.2 ATS0 Automatic Answer Control.............................................. 95
3.3 ATS2 Escape Sequence Character............................................. 96
3.4 ATS3 Command Line Termination Character........................... 96
3.5 ATS4 Response Formatting Character....................................... 97
3.6 ATS5 Command Line Editing Character (BACKSPACE)........ 98
3.7 ATS6 Blind Dial Delay Control................................................. 98
3.8 ATS7 Connection Completion Timeout .................................... 99
3.9 ATS8 Comma Dial Modifier Delay Control.............................. 99
3.10 ATS10 Automatic Disconnect Delay Control............................ 100
3.11 AT*ECAM Ericsson Call Monitoring............................................... 100