... or FXO;·Support GSM900M/1800M/1900M, CDMA800M/1900M, CDMA450M;·Incoming call through Mobile or Fixed operator;·Pre-record guidance voice response ... number;·Multiform new operation: Leave Transfer, Don't disturb, Call protection,Call transfer, Act for pick up, Act for dialing, ... Busy call back, Wake-up service, Hot line service, etc.;·Call restriction with different level setting;· ...