手机的at指令（At instruction of cell phone）.docVIP

手机的at指令（At instruction of cell phone） SPID: 41250500770003 The ServiceKey: d9f76112d8b942ed8624500626738b8b AppID:AppKey: f2cb48212aef4229a71077bcf53d7d44 SMS cats often use the AT instruction manual SMS cat is often used AT command AT the command text message cat communication, it plays an important role in the control of many behaviors of the mobile phone through AT command, including the dialing number, key control, facsimile, GPRS and so on. (what is a text cat?) AT instruction basic usage: 1. Test Command After the AT command, =? That is to form the test command. For example AT + CSCS =? All supported characters will be listed Character set. 2. Read Command After the AT instruction, ? That is, constitute the read command. For example AT + CSCS? Will list the current Settings. 3. Execute Command In general, you can add = and command parameters to the AT command. Some commands such as AT + CMGR command are not involved Number, you can execute directly. In the case of WAVECOM GSM MODEM, the commonly used AT instruction set and development reference are as follows: product features and advantages The AT command set that the SMS cat can use when it is developed FUNCTIONS provides the AT COMMANDS The DETAILS Factory certification The AT + CGMI Get the manufacturers logo Model certification The AT + CGMM Query support frequency range Revised certification The AT + CGMR Query software version The production sequence number The AT + CGSN Query the IMEI NO. TE set The AT + CSCS Select support network Query IMSI The AT + CIMI Search for international mobile phone support certification Card certification The AT + : Query the serial number of SIM card Feature list The AT + GCAP Query the list of functions available Repetitive operation A / Repeat the last operation Shut off the power The AT + CPOF Suspend the module software running Set the state of The AT + CFUN Set the status of the module software Active state The AT + CPAS Query the modules current active