User Guide

FEATURE
 Highly clear communication, microphone anti-noise
 Headset comfortable & durable
 Convenient & useful headset bracket
 DTMF/FSK dual system, auto detection
 Headset volume switch
 Ringer volume Hi/Low/Off adjustable
 AC/DC Power not need
 Microphone work or not work adjustable, microphone indicator
 Incoming call auto-answer(need manual hang up)
 Flash time 100/600ms adjustable
 30 items 16-digit incoming call records
 5 items 16-digit outgoing calls records
 1 group 32-digit auto IP code
 2-digit PCODE
 5 local code, filter incoming calls
 32-digit pre-dialing and correct
 16-digit LCD display and brightness adjustable
 Redial, call back
 Incoming call ringer, backlight when using