Contents
Psion Teklogix Mobile Devices SDK Developers Guide vii
22.6.4 Checking Packet Data Status....................................................................210
22.6.5 Roaming........................................................................................210
22.6.6 Connecting Manually to A WWAN Network....................................................210
22.6.7 Selecting An Access Point Name (APN).........................................................211
22.6.8 Connecting To A VPN..........................................................................211
22.7 Access Flags.............................................................................................212
22.7.1 Controlling The Interaction With The Control Panel.............................................213
22.8 RSSI (Received Signal Strength Indicator)...............................................................213
22.9 WWAN API Elements...................................................................................214
22.10Using SMS (Short Message Service).....................................................................215
22.10.1SMS API Elements..............................................................................215
22.11 WWAN Supplementary Services.........................................................................216
22.11.1Voice Service States.............................................................................217
22.12Voice Calls On A WWAN ...............................................................................217
22.12.1Initializing WWAN .............................................................................217
22.12.2Initializing Voice Over WWAN.................................................................217
22.12.3Closing Voice Over WWAN....................................................................220
22.12.4Making A Phone Call ...........................................................................220
22.12.5Voice Call States................................................................................222
22.12.6Receiving A Phone Call.........................................................................224
22.12.7Processing Voice Calls..........................................................................225
22.12.8Terminating Voice Calls.........................................................................227
22.12.9Call Forwarding.................................................................................227
22.12.10 Dual-Tone Multifrequency (DTMF)............................................................228
22.12.11 Blocking Inbound And Outbound Calls.........................................................228
22.12.12 Blocking Caller ID On Outgoing Calls .........................................................228
22.12.13 Audio for Voice Over WWAN.................................................................228
22.12.14 Voice Over WWAN Events....................................................................229
22.12.14.1 Voice Call Status Changed Event.....................................................229
22.12.14.2 Voice Call Manager Incoming Call Event............................................230
22.12.15 Voice Over WWAN API Elements.............................................................230
22.13Phone Books.............................................................................................230
22.13.1Data Coding Schemes For Phone Book Entries..................................................231
22.13.2Phone Book Types..............................................................................232
22.13.3Phone Book API Elements ......................................................................232
22.14Resource Materials ......................................................................................233
Appendix A: Resources
A.1 Manuals and URLs......................................................................................A-1
Appendix B: Registry Keys
B.1 WORKABOUT PRO Registry Keys.....................................................................B-1
B.1.1 Registry Settings For Controlling VGA..........................................................B-1
B.1.2 Registry Settings For Controlling Scanner Power................................................B-1
B.1.3 Registry Settings For Serial Ports................................................................B-1
B.1.4 Registry Settings For PsionTeklogix Device Drivers............................................B-2
B.1.5 Registry Settings For Non-PsionTeklogix Device Drivers.......................................B-2
B.1.5.1 Loading Non-Psion Teklogix Drivers..................................................B-3
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I
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