3.1.14. AT#ECTD - Enhanced call tone disable 94
3.1.15. AT+CSNS - Single Numbering Scheme 95
3.1.16. AT+CR - Service Reporting Control 97
3.1.17. AT+CRC - Cellular Result Codes 99
3.1.18. AT+CVHU - Voice Hung Up Control 101
3.1.19. AT+CBST - Select Bearer Service Type 103
3.1.20. AT+CRLP - Radio Link Protocol 107
3.1.21. AT#NCIH - NO CARRIER Indication Handling 109
General Control and Config 111
3.2.1. Command Line Prefixes 111
3.2.1.1. AT - Starting a Command Line 111
3.2.1.2. A/ - Last Command Automatic Repetition 112
3.2.1.3. AT#/ - Repeat Last Command 113
3.2.2. Generic Modem Control 114
3.2.2.1. AT#SELINT - Select Interface Style 114
3.2.2.2. AT&F - Set to Factory-Defined Configuration 115
3.2.2.3. ATZ - Soft Reset 116
3.2.2.4. AT&Y - Default Reset Basic Profile Designation 117
3.2.2.5. AT&P - Default Reset Full Profile Designation 118
3.2.2.6. AT&W - Store Current Configuration 119
3.2.2.7. AT&V - Display some Configuration and Profile 120
3.2.2.8. AT\V - Single Line Connect Message 122
3.2.2.9. AT+GCI - Country of Installation 123
3.2.2.10. AT%L - Line Signal Level 124
3.2.2.11. AT%Q - Line Quality 125
3.2.2.12. ATL - Speaker Loudness 126
3.2.2.13. ATM - Speaker Mode 127
3.2.2.14. AT+GCAP - Capabilities List 128
3.2.2.15. AT+GMI - Manufacturer Identification 129
3.2.2.16. AT+GMM - Model Identification 130
3.2.2.17. AT+GMR - Revision Identification 131
3.2.2.18. AT+CEER - Extended Error Report 132
3.2.2.19. AT+GSN - Serial Number 133
3.2.2.20. AT+CGMI - Request Manufacturer Identification 135
3.2.2.21. AT+CGMM - Request Model Identification 136
3.2.2.22. AT+CGMR - Request Revision Identification 137
3.2.2.23. AT+CGSN - Request Product Serial Number Identification 138
3.2.2.24. AT#CGMI - Request Manufacturer Identification 140
3.2.2.25. AT#CGMR - Request Revision Identification 141