... telephone access in an office environment, through GSM or CDMA network, this equipment providing a easy way to ... different number;·Adding/changing prefix of called number;·Multiform new operation: Leave Transfer, Don't disturb, Call protection ... PORT1 10BASE-T LAN, 1 CONSOLEWIRELESSSUPPORT 900MHZ/1800 MHZ/1900 MHZ GSM, 800 MHZ/1900 MHZ CDMAFXS/FXOcharacteristicSUPPORT DTMF receive and send, support CID ...