Description

1、One key connect(**0、*8、*5、*3、*0) 2、Flash time adjustable to fit for different exchange and three way talk, standard flash time is **0ms 3、*4 digits memory 4、*6 kinds of ring melody optional 5、Speaker volume 4 levels adjustable 6、Ring volume 4 levels adjustable 7、Handsfree, redial, 3 way conference 8、MWL with Message Retrieval Function 9、Music on hold *0、Pause key *1、Mute key *2、Auto hang up *3、Desk and wall mountable *4、Data socket *5、Thunder-proof and Anti_EMI design *6、Waterproof and moistureproof