Developers guide

192 Psion Teklogix Mobile Devices SDK Developers Guide
22.12.1 Initializing WWAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .217
22.12.2 Initializing Voice Over WWAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .217
22.12.3 Closing Voice Over WWAN.................................220
22.12.4 Making A Phone Call....................................220
22.12.5 Voice Call States.......................................222
22.12.6 Receiving A Phone Call...................................224
22.12.7 Processing Voice Calls....................................225
22.12.8 Terminating Voice Calls...................................227
22.12.9 Call 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
22.13 Phone Books . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .230
22.13.1 Data Coding Schemes For Phone Book Entries.......................231
22.13.2 Phone Book Types......................................232
22.13.3 Phone Book API Elements .................................232
22.14 Resource Materials...........................................233