HM100PS - How to use the interphone function with one HM100P and one HM100PS? – Avantree - For a Better Experience

Setting

Under any status, press and hold the MFB button for 10s on your first speakerphone, LED indicator blinks RED and BLUE alternately, keep pressing until the BLUE light on.
Press and hold the MFB button for 6s on another speakerphone till the LED indicator blinks RED and BLUE alternately. They will be auto connected.
Once connected, the LEDs of both HM100PS will flash BLUE twice every 4s.

Basic operation for HM100PS (2018 new version)

Button	Function	Operation
	Send out intercom	Double click
	Cancel intercom	Press once when sending out intercom
MFB	Answer intercom	Press once
	End intercom	Press once
	Reject intercom	Press and hold the MFB for about 2 seconds when receiving intercom
V+	Volume Up	Press once
V-	Volume down	Press once

Basic operation for HM100P (old version)

Button	Function	Operation
V+ & V-	Send out intercom	Press and hold V+ and V- together for about 2s. Then release it, you will hear a short tone.
MFB	Answer intercom	Press MFB button once
	End intercom	Press MFB button once
	Reject intercom	Press and hold MFB button for about 2s
V+	Volume up	Press V+ button once
V-	Volume down	Press V- button once

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