Motorola g20 - Page 6

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vi 98-08901C68-O

5.2 SMS ................................................................................................................................................................................. 266

5.2.1 Managing Stored Messages from the g20........................................................................................................... 266

5.2.2 Setting the Notification Indication for Incoming Messages (Using AT+CNMI) ............................................... 267

5.2.3 Another Possible Option for Setting the CNMI Notification Indication ............................................................ 268

5.2.4 Writing and Saving Messages (Using AT+CMGW and AT+CMSS)................................................................ 268

5.2.5 Deleting Messages (Using AT+CMGD)............................................................................................................. 269

5.3 CALL CONTROL........................................................................................................................................................... 269

5.3.1 Dialing Using ATD............................................................................................................................................. 269

5.3.2 Direct Dialing from Phone Book ........................................................................................................................ 271

5.3.3 Dialing the Last Number Example...................................................................................................................... 272

5.3.4 Voice Call Manipulations ................................................................................................................................... 273

5.4 DATA CALL................................................................................................................................................................... 274

5.4.1 Switching Modes (Data Mode/Command Mode)............................................................................................... 274

5.5 GPRS ............................................................................................................................................................................... 275

5.5.1 Establishing GPRS PDP Context........................................................................................................................ 275

5.6 CHANGING THE CHARACTER SET.......................................................................................................................... 277

5.7 SLEEP MODE................................................................................................................................................................. 278

5.8 STK.................................................................................................................................................................................. 279

5.8.1 Display Text........................................................................................................................................................ 279

5.8.2 Get Inkey............................................................................................................................................................. 279

5.8.3 Get Input ............................................................................................................................................................. 280

5.8.4 Play Tone ............................................................................................................................................................ 280

5.8.5 Set Up Menu ....................................................................................................................................................... 280

5.8.6 Select Item........................................................................................................................................................... 281

5.8.7 Send SMS............................................................................................................................................................ 281

5.8.8 Set Up Call .......................................................................................................................................................... 281

5.8.9 Call Control......................................................................................................................................................... 282

5.9 TCP/IP ............................................................................................................................................................................. 283

5.9.1 TCP Data Transfer Example ............................................................................................................................... 283

5.9.2 Multi-point Data Transfer Example.................................................................................................................... 284

5.9.3 Xoff and Xon Example ....................................................................................................................................... 285

5.9.4 Error in Reopening a Valid Socket ..................................................................................................................... 286

5.10 AUDIO ............................................................................................................................................................................ 286

5.10.1 Scenarios for Setting Up Handset Mode or Handsfree Mode............................................................................. 286

5.11 MUX - USER INTEGRATION (MUX PACKET)......................................................................................................... 287

5.11.1 APIs..................................................................................................................................................................... 287

6. TOOLS

6.1 PC LOADER ................................................................................................................................................................... 297

6.1.1 Overview............................................................................................................................................................. 297

6.2 PC DRIVER .................................................................................................................................................................... 297

6.2.1 Overview............................................................................................................................................................. 297

6.2.2 Fax Communication by Standard 19200 bps Modem......................................................................................... 297

6.2.3 Establishing GPRS PDP Context (Using GPRS Manager) ................................................................................ 298