Format: +HFPSTAT=Param

Param:(0~6)

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

Format: +HFPDEV=Param1,Param2

Param1: (12 Bytes ASCII), Remote device’s MAC address of current HFP connection

Param2: (UTF8), Remote device’s name of current HFP connection

Example: HFP connect success with device

+HFPDEV=1C5CF226D774,iPhone

Format: +HFPCID=Param

Param:(1~25 Bytes ASCII), Call number

Example: Dial number 10086

AT+HFPDIAL=10086
+HFPSTAT=4
+HFPCID=10086
+HFPCIE=China Mobile
+HFPAUDIO=1

Example: Incoming call with number 13265463800

+HFPSTAT=5
+HFPCID=13265463800
+HFPCIE=Jerry
+HFPAUDIO=1

Format: +HFPCIE=Param

Param:(UTF8), Call name

Description: Not every mobile phone support this indication

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

Format: +HFPSIG=Param

Param:(0~5) Network signal strength of remote device