Sink Mode

Caution

To use the commands below the BTI needs to be switched to sink mode first

Set pairing active/inactive

Communication	Command	Parameter	Example
Request	AT+PAIR=Parameter`<CR><LF>`
		0: Off
		1: On
			AT+PAIR=1`<CR><LF>`
Reply	`<CR><LF>`OK`<CR><LF>`

Request pairing active/inactive status

Communication	Command	Example
Request	AT+PAIR`<CR><LF>`
		AT+PAIR`<CR><LF>`
Reply #1	`<CR><LF>`+PAIR=1`<CR><LF>`
Reply #2	`<CR><LF>`OK`<CR><LF>`

Activate simple/secure pairing

Communication	Command	Parameter	Example
Request	AT+SSP=Parameter`<CR><LF>`
		0: Off
		1: On
			AT+SSP=1`<CR><LF>`
Reply	`<CR><LF>`OK`<CR><LF>`

Request simple/secure pairing status

Communication	Command	Example
Request	AT+SSP`<CR><LF>`
		AT+SSP`<CR><LF>`
Reply #1	`<CR><LF>`+SSP=0`<CR><LF>`
Reply #2	`<CR><LF>`OK`<CR><LF>`

Set BTI’s pin code

Communication	Command	Parameter	Example
Request	AT+PIN=Parameter`<CR><LF>`
		4-15 ASCII numbers
			AT+PIN=1234`<CR><LF>`
Reply	`<CR><LF>`OK`<CR><LF>`

Request BTI’s pin code

Communication	Command	Example
Request	AT+PIN`<CR><LF>`
		AT+PIN`<CR><LF>`
Reply #1	`<CR><LF>`+PIN=1234`<CR><LF>`
Reply #2	`<CR><LF>`OK`<CR><LF>`

Clear a paired record

Caution

If the device (headphone/speaker) is deleted in the BTI it needs to be reconnected to work

Communication	Command	Parameter	Example
Request	AT+PLIST=Parameter`<CR><LF>`
		0: Clear list
		x: Clear index (x)
			AT+PLIST=E`<CR><LF>`
Reply	`<CR><LF>`OK`<CR><LF>`

Request paired records

Communication	Command	Example
Request	AT+PLIST`<CR><LF>`
		AT+PLIST`<CR><LF>`
Reply #1	`<CR><LF>`+PLIST=1,123456ABCDEF `<CR><LF>` `<CR><LF>`+PLIST=1,ABCDEF123456 `<CR><LF>` `<CR><LF>`+PLIST=E `<CR><LF>`
Reply #2	`<CR><LF>`OK`<CR><LF>`

Reconnect to Bluetooth device

Communication	Command	Parameter	Example
Request	AT+A2DPCONN=Parameter`<CR><LF>`
		No parameter: To last device
		MAC: Mac of target device (12 Bytes ASCII)
			AT+A2DPCONN=123456ABCEDF`<CR><LF>`
Reply #1	`<CR><LF>`+A2DPCONN=123456ABCEDF`<CR><LF>`
Reply #2	`<CR><LF>`OK`<CR><LF>`

Release Bluetooth connection to device

Communication	Command	Example
Request	AT+A2DPDISC`<CR><LF>`
		AT+A2DPDISC`<CR><LF>`
Reply	`<CR><LF>`OK`<CR><LF>`

Request status of connected device

Communication	Command	Parameter	Example
Request	AT+A2DPSTAT`<CR><LF>`
			AT+A2DPSTAT`<CR><LF>`
Reply #1	`<CR><LF>`+A2DPSTAT=4`<CR><LF>`
		0: Unsupported
		1: Standby
		2: Connecting
		3: Connected
		4: Streaming
Reply #2	`<CR><LF>`OK`<CR><LF>`

Nofification address of connected device

Notice

Event at device connection only, cannot be requested by control system

Communication	Command	Parameter	Example
Reply #1	`<CR><LF>`+A2DPDEV=123456ABCDEF `<CR><LF>`
Reply #2	`<CR><LF>`OK`<CR><LF>`

Request codex used by the connected device

Communication	Command	Parameter	Example
Request	AT+A2DPDEC`<CR><LF>`
			AT+A2DPDEC`<CR><LF>`
Reply #1	`<CR><LF>`+A2DPDEC=1`<CR><LF>`
		0: Invalid
		1: SBC
		2: MP3
		3: AAC
		4: FASTSTREAM
		5: APTX
		6: APTX-Sprint
		7: APTX-HD
		8: APTX-LL
Reply #2	`<CR><LF>`OK`<CR><LF>`

Set ID track feedback

Caution

This command needs a reboot to activate

Parameter: Default is 11, Base 10 representation of a bit

Communication	Command	Parameter	Example
Request	AT+AVRCPCFG`<CR><LF>`
		BIT[0]: Auto get rack ID3 information (title, artist, album) on track changed (default 1)
		BIT[1-3]: Auto get track state (play progress) if value >0 (default 5sec)
			AT+AVRCPCFG=11`<CR><LF>`
Reply	`<CR><LF>`OK`<CR><LF>`

Request status of connected device

Communication	Command	Parameter	Example
Request	AT+AVRCPSTAT`<CR><LF>`
			AT+AVRCPSTAT`<CR><LF>`
Reply #1	`<CR><LF>`+AVRCPSTAT=4`<CR><LF>`
		0: Unsupported
		1: Standby
		2: Connecting
		3: Connected
Reply #2	`<CR><LF>`OK`<CR><LF>`

Nofification Mediaplayer play progress

Notice

Event at device connection only, cannot be requested by control system

Communication	Command	Parameter
		Param1: (0-4) Media Player State – please see PLAYSTAT parameters
		Param2:(Decimal ASCII), Elapsed time of current track in ms
		Param3:(Decimal ASCII), Total time of track in ms
Reply #1	`<CR><LF>`+TRACKSTAT=1,142000,248000 `<CR><LF>`

Nofification Mediaplayer track info

Event at device connection only, cannot be requested by control system

Communication	Command	Parameter
		Param1: Title
		Param2: Artist
		Param3: Album
Reply #1	`<CR><LF>`+TRACKINFO=Creep`<FF>`Radiohead`<FF>`Pablo Honey `<CR><LF>`

Nofification Mediaplayer status of the connected device

Event at device connection only, cannot be requested by control system

Communication	Command	Parameter
		0: Stopped
		1: Playing
		2: Paused
		3: Fast Forward
		4: Fast Rewind
Reply #1	`<CR><LF>`+PLAYSTAT=1`<CR><LF>`

Transport Play/Pause

Communication	Command	Example
Request	AT+PLAYPAUSE`<CR><LF>`
		AT+PLAYPAUSE`<CR><LF>`
Reply	`<CR><LF>`OK`<CR><LF>`

Transport Play

Communication	Command	Example
Request	AT+PLAY`<CR><LF>`
		AT+PLAY`<CR><LF>`
Reply	`<CR><LF>`OK`<CR><LF>`

Transport Pause

Communication	Command	Example
Request	AT+PAUSE`<CR><LF>`
		AT+PAUSE`<CR><LF>`
Reply	`<CR><LF>`OK`<CR><LF>`

Transport Stop

Communication	Command	Example
Request	AT+STOP`<CR><LF>`
		AT+STOP`<CR><LF>`
Reply	`<CR><LF>`OK`<CR><LF>`

Transport Track Forward

Communication	Command	Example
Request	AT+FORWARD`<CR><LF>`
		AT+FORWARD`<CR><LF>`
Reply	`<CR><LF>`OK`<CR><LF>`

Transport Track Backward

Communication	Command	Example
Request	AT+BACKWARD`<CR><LF>`
		AT+BACKWARD`<CR><LF>`
Reply	`<CR><LF>`OK`<CR><LF>`