Detailed Product Description

Compatible with FSK/DTMF caller systems        
38groups 12-digit incoming memories                       
5groups 16-digit outgoing memories                   
43groups 12-digit/35 groups 15-digit VIP                       
Calculater function  32-digit pre-dialing                          
Music on hold                                                                         
LCD luminance adjustable(total 5 levels)                                          
Auto-redial                                                                             
3-way lock