Description
Function 1.Thunder-proof and anti-disturbance function. 2.Speaker Volume adjustable . 3.4 level of ringer volume for selection . 4.Call-in and dial out number displayed,stored and review . 5.No.Pre-Dial,delete,redial,auto-redial . 6.Caller ID DTMF/FSK Auto Detect. 7.Tone/Pulse dialing mode selectable
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