BT1026X HFP  AT Command

 

 

HFP Command		Description	Module
2201	AT+HFPSTAT	Read HFP State
2202	AT+HFPCONN	Establish HFP Connection
2203	AT+HFPDISC	Release HFP Connection
2204	AT+HFPDIAL	Dial/Redial Phone Number
2205	AT+HFPDTMF	Send DTMF code
2206	AT+HFPANSW	Pick Up Incoming Call
2207	AT+HFPCHUP	Reject/Hung up Call
2208	AT+HFPADTS	Transfer Voice Audio
2209	AT+MUTEMIC	Mute Mic
2210	AT+HFPVR	Start/Stop Voice Recognition of Remote Device

 

 

 

AT+HFPSTAT     Read HFP State

Test the UART communication between HOST and Module after power-on.

E) AT+HFPSTAT

+HFPSTAT=Param

Param:(0~6) (0) Unsupported (1) Standby (2) Connecting (3) Connected (4) Outgoing call (5) Incoming call (6) Active call

 

 

 

AT+HFPCONN      Establish HFP Connection

Module will reconnect to last HFP device if parameter not exist

Q) AT+HFPCONN	OK
E) AT+HFPCONN{=Param}		Param: MAC address of target device (12 Bytes ASCII)

 

Example	AT+HFPCONN OK	Connect to last HFP device
Example	AT+HFPCONN=1C5CF226D773 OK	Connect to specific HFP device with MAC address

 

 

 

AT+HFPDISC     Release HFP Connection 

Release current HFP connection with remote device

E) AT+HFPDISC

P

 

 

 

AT+HFPDIAL     Dial/Redial Phone Number

Dial specific number if parameter existence, otherwise redial

E) AT+HFPDIAL{=Param}

+ADDR=Param OK

Param: Phone number (1~25 Bytes ASCII)

 

Example	AT+HFPDIAL OK	Redial
Example	AT+HFPDIAL=075527924639 OK	Dial number “075527924639”

 

 

 

AT+HFPDTMF     Send DTMF code

E) AT+HFPDTMF=Param

AT+HFPDTMF=# OK

DTMF code (0~9/#/*)

 

 

 

AT+HFPANSW     Pick Up Incoming Call

Pick up an incoming call.

Q) AT+HFPANSW

 

 

 

AT+HFPCHUP     Reject/Hung up Call

Reject incoming call or hung up outgoing/active call

Q) AT+LENAME

 

 

 

AT+HFPADTS     Transfer Voice Audio

Transfer voice audio between module and remote device by default if no parameter existence

E) AT+HFPADTS{=Param}

Param: Transfer direction (0/1) (0) Transfer voice audio from module to remote device (1) Transfer voice audio from remote device to module

 

 

 

AT+MUTEMIC     Mute Mic

mute mic when call active

E) AT+MUTEMIC{=Param}

Param: mute mic(0/1) (0) unmute (1) mute

 

 

 

AT+HFPVR     Start/Stop Voice Recognition of Remote Device

Start/Stop Voice Recognition of Remote Device (such as Siri for iOS devices)

E) AT+HFPVR=Param

On/off (0/1) (0) Stop (1) Start