User's Manual

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The related AT commands are listed as follow:
·New Message Indication: AT+CNMI
·Message Send: AT+CMGS
·Message Preview: AT+CMGPR
·Message Delete: AT+CMGD
·Message format Switch: AT+CMGF
·Service Center Address Set: AT+CSCA
·Receiving Message Report enable/disable: AT+CNMI=2,1,0,1,0
3.3 GPS
GPS functions are only available in the U6300_001 module. The related AT command as follow:
AT+GPSFIX originate GPS request
AT+GPSCFG configure GPS parameter
3.4 Phonebook
The Phonebook feature is implemented by AT commands. You can set the phonebook storage location, read phone
number, write phone number and delete phone number and so on.
The related AT commands are listed as follow:
AT+CPBS=<storage> set the storage location
AT+CPBR=<index> read phone number
AT+CPBW=[<index>][,<number>[,<type>[,<text>]]] write phone number on the phone.
AT+CPBW=[<index>] delete phone number.
AT+CPBF=<findtext> find the phone number according to the findtext.
3.5 AUDIO PCM data path selection
The audio functions are only available in the U6300_001 module. The related AT command as follow:
The function make user can select audio PCM data path. The user use the related AT commands to select AUDIO PCM
data path and so on. The related AT commands as follow:
AT+PCMAUDIO=0 select the audio path in the U6300;
AT+PCMAUDIO=1 select the external PCM path.
AT+PCMAUDIO？ check the current audio path in use.