iPod IWIP3G User Guide - Page 192

Hands-Free connection to a Mobile Phone

Page 192 highlights

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

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192
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.
Phone makes a
call
Host
iWRAP
Mobile Phone
SET PROFILE HFP on
CALL {
bd_addr
} 111F
HFP
Open Bluetooth connection
Connection successful
CALL {
link_id
}
CONNECT {
link_id
} HFP
{
channel
}
Mode switch to HFP mode
SET BT AUTH * {
pin
}
RESET
boot prompt
HFP control connection
HFP initialization
HFP status reports
HFP {
link_id}
READY
ATD
number;
CONNECT {
link_id
} SCO
HFP status reports
Active HFP conncetion
SET BT CLASS 200428
Pairing
Accept connection
HFP status reports
Open SCO connection
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.