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(4) Outgoing call
(5) Incoming call
(6) Active call
(7) Active held (3-way-calling)
(8) First call active, second call waiting (3-way-calling)
(9) First call active, second call held (3-way-calling)
(10) First call outgoing, second call held (3-way-calling)
Param2: Call number, only present for state > 3
Example
: Dial number 10086
<<
AT+HFPDIAL=10086
>>
+HFPSTAT=3
+HFPSTAT=4,10086
+HFPAUDIO=1
Example
: Incoming call with number 13265463800
>>
+HFPSTAT=5, 13265463800
+HFPAUDIO=1
3.2.2.
HFP Device Information
Format
: +HFPDEV=Param1, Param2
Param1: (12 Bytes ASCII), Remote MAC address of current HFP connection
Param2: (UTF8), Remote device name of current HFP connection
Example
: HFP connect success with device
>>
+HFPDEV=1C5CF226D774, iPhone
3.2.3.
HFP Voice Audio State
Format
: +HFPAUDIO=Param
Param:(0/1)
(0) HFP voice audio disconnected, audio input/output routed to remote device
(1) HFP voice audio connected, audio input/output routed to module
3.2.4.
HFP Device Network Signal Strength
Format
: +HFPSIG=Param