iPod IWIP3G User Guide - Page 192
Hands-Free connection to a Mobile Phone
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12.6 Hands-Free connection to a Mobile Phone iWRAP can act as a hands-free device and send audio to a mobile phone. The example below reveals how that is done. Host iWRAP SET PROFILE HFP on SET BT AUTH * {pin} SET BT CLASS 200428 RESET boot prompt CALL {bd_addr} 111F HFP CALL {link_id} CONNECT {link_id} HFP {channel} Mobile Phone Open Bluetooth connection Connection successful Pairing Accept connection Mode switch to HFP mode HFP control connection HFP status reports HFP {link_id} READY HFP initialization ATDnumber; HFP status reports CONNECT {link_id} SCO HFP status reports Open SCO connection Active HFP conncetion Phone makes a call Figure 14: HFP connection to a mobile phone HFP connection works in a similar fashion as HFP-AG connection. First the control connection (RFCOMM) is set up and when the GSM call is made then also the audio link (SCO) is activated. As in HFP-AG mode also if HFP mode several commands are supported and also several HFP events are displayed. Both commands and events are described in the two tables below. 192