ME910C1/NE910C1/ML865C1 AT Commands Reference Guide
80529ST10815A Rev. 9 Page 7 of 588 2019-08-01
3.1.3. S Parameters ............................................................................................................................. 87
3.1.3.1. ATS0 - Number of Rings to Auto Answer ................................................................................... 87
3.1.3.2. ATS1 - Ring Counter .................................................................................................................. 88
3.1.3.3. ATS2 - Escape Character .......................................................................................................... 89
3.1.3.4. ATS3 - Command Line Termination Character .......................................................................... 90
3.1.3.5. ATS4 - Response Formatting Character .................................................................................... 91
3.1.3.6. ATS5 - Command Line Editing Character .................................................................................. 92
3.1.3.7. ATS7 - Connection Completion Time-Out .................................................................................. 93
3.1.3.8. ATS12 - Escaper Prompt Delay ................................................................................................. 94
3.1.3.9. ATS25 - Delay to DTR Off .......................................................................................................... 95
3.1.3.10. AT&V1 - S Registers Display ..................................................................................................... 96
3.1.3.11. ATS10 - Carrier Off with Firm Time ............................................................................................ 97
3.1.3.12. AT&V3 - Extended S Registers Display ..................................................................................... 98
3.1.4. DTE - Modem Interface Control ................................................................................................. 99
3.1.4.1. ATE - Command Echo ............................................................................................................... 99
3.1.4.2. ATQ - Quiet Result Codes ........................................................................................................ 100
3.1.4.3. ATV - Response Format........................................................................................................... 101
3.1.4.4. ATI - Identification Information ................................................................................................. 102
3.1.4.5. AT&C - Data Carrier Detect (DCD) Control .............................................................................. 103
3.1.4.6. AT&D - Data Terminal Ready (DTR) Control ........................................................................... 104
3.1.4.7. AT&K - Flow Control ................................................................................................................ 105
3.1.4.8. AT&S - Data Set Ready (DSR) Control .................................................................................... 106
3.1.4.9. AT+IPR - UART DCE Interface Data Rate Speed .................................................................... 107
3.1.4.10. AT+IFC - DTE-Modem Local Flow Control ............................................................................... 109
3.1.4.11. AT+ICF - DTE-Modem Character Framing .............................................................................. 110
3.1.4.12. AT#SKIPESC - Skip Escape Sequence ................................................................................... 111
3.1.4.13. AT#E2ESC - Escape Sequence Guard Time ........................................................................... 112
3.1.4.14. ATX - Extended Result Codes ................................................................................................. 113
3.1.5. Call (Voice and Data) Control ................................................................................................... 114
3.1.5.1. ATD - Dialup Connection.......................................................................................................... 114
3.1.5.2. ATH - Hang Up/Disconnect the Current Call ............................................................................ 115
3.1.5.3. ATO - Return to ON-Line Mode ................................................................................................ 116
3.1.6. Modulation & Compression Control .......................................................................................... 117
3.1.6.1. AT%E - Line Quality and Auto Retrain ..................................................................................... 117
Network .................................................................................................................................... 118
3.2.1. AT+CNUM - Subscriber Number .............................................................................................. 118
3.2.2. AT+COPN - Read Operator Names ......................................................................................... 119
3.2.3. AT+CREG - Network Registration Status ................................................................................. 120
3.2.4. AT+COPS - Operator Selection ............................................................................................... 122
3.2.5. AT+CLCK - Facility Lock/Unlock .............................................................................................. 124
3.2.6. AT+CPWD - Change Facility Password ................................................................................... 126
3.2.7. AT+CUSD - Unstructured Supplementary Service Data .......................................................... 127
3.2.8. AT+CPOL - Preferred Operator List ......................................................................................... 129
3.2.9. AT+CPLS - Selection of Preferred PLMN List .......................................................................... 131
3.2.10. AT+CSQ - Signal Quality ......................................................................................................... 132