User manual
GTR64  http://www.matrix.es/GTR64 
AT*ENAD  Internet Account Define 
AT*EPEE  Pin Event 
AT*EPIN  Additional PIN Information 
AT*ERINFO  Network Capability 
AT*ERSE  PCM/Analog Audio and RS232 Selection 
AT*ESIL  Silence Command 
AT*ESLN  Set Line Name 
AT*ESRB  Setup Restart/Shutdown Message 
AT*ESSE    SIM selection 
AT*ESTKMENU  tion Menu Selec
AT*ESTKRES  Terminal Response 
AT*ESTKS SIM  s Application Toolkit Setting
AT*TTY  CTM (Cellular Text Telephone Mode) Support 
AT*USB  USB control mode 
AT+CACM  Accumulated Call Meter 
AT+CALA  Set Alarm 
AT+CALD  Alarm Delete 
AT+CAOC  Advice of Charge 
AT+CBC  Battery Charge 
AT+CBST  Select Bearer Service Type 
AT+CCFC  Call Forwarding number and Conditions 
AT+CCLK  Set Clock and Date 
AT+CCWA  Call Waiting 
AT+CCWE  Call Meter Maximum Event 
AT+CEER  Extended Error Report 
AT+CFUN  Set Phone Functionality 
AT+CGACT  PDP Context Activate or Deactivate 
AT+CGANS 
Manual response to a network request for PDP 
context activation 
AT+CGATT  GPRS Attach or Detach 
AT+CGCLASS  n Class GPRS Mobile Statio
AT+CGDATA  Enter Data State 
AT+CGDCONT  ext Define PDP Cont
AT+CGEQMIN  3G Quality of Service Profile (Minimum acceptable) 
AT+CGEQNEG   (Negotiated) 3G Quality of Service Profile
AT+CGEQREQ  3G Quality of Service Profile (Requested) 
AT+CGEREP  GPRS Event Reporting 
AT+CGMI  Read MS Manufacturer Identification 
AT+CGMM  fication Read MS Model Identi
AT+CGMR  Read Revision Identification 
AT+CGPADDR  Show PDP Address 
AT+CGRDATA  Send Limited Data Pattern 
AT+CGREG  istration Status GPRS Network Reg
AT+CGSMS    Select Service for MO SMS Messages 
AT+CGSN  Read Product Serial Number Identification 
GTR64 Integrators Manual V.1.2  Pag. 36 
Preliminary. Subject to change without prior notice 










