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HUAWEI MG323 GSM M2M Module
AT Command Interface Specification Contents
Issue 02 (2010-11-23)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
iv
7 Commands for Call Control......................................................................................................58
7.1 ATD - Command for Originating a Call........................................................................................... 58
7.2 ATD*99# - Command for Requesting the GPRS Service .............................................................. 59
7.3 ATD*98# - Command for Requesting the GPRS IP Service .......................................................... 59
7.4 ATH - Command for Hanging Up the Connection .......................................................................... 60
7.5 ATA - Command for Answering a Call or Data Services................................................................. 61
7.6 ATS0- Commands for Setting the Automatic Answer Data Services ............................................. 61
7.6.1 Reading the Settings of the Automatic Answer Data Services.............................................. 61
7.6.2 Setting Unsolicitedly Answering Data Services..................................................................... 62
7.7 ATS7 - Command for Setting the Duration to Be Waited for Completion of Connection
Establishment.......................................................................................................................................
62
7.7.1 Reading the Set Waiting Duration Request........................................................................... 62
7.7.2 Setting the Waiting Duration.................................................................................................. 63
7.8 AT+CRLP - Command for Setting Radio Link Protocol Parameters for Non-Transparent
Transmission Data Services on the Calling Party Side........................................................................
63
7.8.1 Querying the Supported RLP Parameters............................................................................. 63
7.8.2 Reading RLP Parameters for the Current Non-Transparent Transmission Data Services on
the Calling Party Side .....................................................................................................................
64
7.8.3 Setting RLP Parameters for the Non-Transparent Transmission Data Services on the Calling
Party Side .......................................................................................................................................
64
7.9 AT+CBST - Command for Setting the Bearer Service Type .......................................................... 64
7.9.1 Querying the Supported Bearer Service Types..................................................................... 65
7.9.2 Querying the Current Bearer Service Type ........................................................................... 65
7.9.3 Setting the Bearer Service Type............................................................................................ 65
7.10 +++ - Command for Switching Data Mode to Command Mode................................................... 66
7.11 ATO - Command for Switching Command Mode to Data Mode................................................... 66
7.12 AT+CHUP - Command for Hanging Up Data Services ................................................................ 67
7.12.1 Checking Whether AT+CHUP Hang-up Is Supported ......................................................... 67
7.12.2 AT+CHUP Command for Hanging Up ................................................................................. 67
7.13 AT+CR - Command for Setting the Service Reporting Mode....................................................... 67
7.13.1 Querying the Supported Settings for Service Reporting ..................................................... 68
7.13.2 Reading the Current Settings for Service Reporting ........................................................... 68
7.13.3 Setting Service Reporting.................................................................................................... 69
7.14 AT+CRC - Command for Setting the Cell Result Codes.............................................................. 69
7.14.1 Querying the Supported Settings for the Cell Result Codes............................................... 69
7.14.2 Querying the Current Settings for the Cell Result Codes.................................................... 70
7.14.3 Settings the Cell Result Codes............................................................................................ 70
7.15 AT+VTS - Command for Sending the DTMF Tone....................................................................... 70
7.15.1 Sending the DTMF Tone...................................................................................................... 71
7.16 AT+CLIP - Command for Displaying the Calling Line Identification ............................................. 71
7.16.1 Querying the Settings Supported by the AT+CLIP Command ............................................ 71
7.16.2 Reading the Settings of the CLIP Service ........................................................................... 72
7.16.3 Setting the CLIP .................................................................................................................. 72