iPod IWIP3G User Guide - Page 189

E Hfp-ag, Answer, Disconnect, Error, Hangup, Reject, Status, Command}, Table 15

Page 189 highlights

Hands-Free profile consists of two connections: a control connection (RFCOMM) an audio connection (SCO). CALL {bd_addr} 111E HFP-AG opens a HFP control connection, which allows HFP messaging between iWRAP and the headset. The possible HFP messages are: Command Function AT command mapping ANSWER Answer to call callsetup 0, call 1 DISCONNECT Hang-up call callsetup 0, call 0 ERROR Send ERROR result to Hands Free error HANGUP Hang-up call callsetup 0, call 0 REJECT Reject call callsetup 0, call 0 OK Send OK result to Hands Free ok RING [count] [number] Notify Hands Free for incoming call. Optional parameter [count] indicates the amount of ring indications. Optional parameter [number] displays the number from where the call is coming from callsetup 1, ring, AT+CLIP ring is sent [count] times, if [number] is given, AT+CLIP is sent STATUS {status} Set status and send it to Hands Free. status 0 means no GSM connectivity and status 1 means active GSM connection. AT+CIND {raw AT Sends the raw AT command to the - command} headset Table 15: Supported HFP-AG commands Once the RING command is sent and answer is pressed on the headset also the SCO connection will be opened to transmit audio. 189

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189
Hands-Free profile consists of two connections: a control connection (RFCOMM) an audio
connection (SCO).
CALL {
bd_addr
} 111E HFP-AG
opens a HFP control connection,
which allows HFP messaging between iWRAP and the headset. The possible HFP messages
are:
Command
Function
AT command mapping
ANSWER
Answer to call
callsetup 0, call 1
DISCONNECT
Hang-up call
callsetup 0, call 0
ERROR
Send ERROR result to Hands Free
error
HANGUP
Hang-up call
callsetup 0, call 0
REJECT
Reject call
callsetup 0, call 0
OK
Send OK result to Hands Free
ok
RING [
count
]
[
number
]
Notify Hands Free for incoming
call. Optional parameter [
count
]
indicates the amount of ring
indications.
Optional
parameter
[
number
] displays the number
from where the call is coming from
callsetup
1,
ring,
AT+CLIP
ring is sent [
count
] times, if
[
number
] is given, AT+CLIP is
sent
STATUS
{
status
}
Set status and send it to Hands
Free.
status
0 means no GSM
connectivity and
status
1 means
active GSM connection.
AT+CIND
{raw
AT
command}
Sends the raw AT command to the
headset
-
Table 15:
Supported HFP-AG commands
Once the
RING
command is sent and answer is pressed on the headset also the SCO
connection will be opened to transmit audio.