Huawei F316/317 is a dual mode (TD/GSM) G3 wireless telephone which adopts advanced technology to design It can wirelessly connect to GSM mobile communication network directly by wireless method. immediately connect.The operation method of this product is just like the normal wired telephone. It is the best choice for wireless communications. FeaturesTD-SCDMA and GSM seamless switching.Realtime signal strength display, real electricity and real capacity display.Write, send and receive messages functions.Language Chinese and English.Alarm clock function.Caller identification display, call recorder, handfree calls.Call timing, call book function.Support USIM / SIM card and fixed station call book backup function.Settings network type, phone setup, display settings, call settings.Contextual modelnormal mode, silent mode, outdoor mode.Emergency call function Attention in case of emergency, you can use this telephone to call. Receiving and sending messagesSIM card and fixed platform supports phonebook between backup function5 families a key dial-up keys64 chord bellSupport GSM 900/1800MHzSupport handle or hands-free conversationsSupport the emergency call businessStandard antenna Support receiving and sending short messagesSupport 10 kinds of 64 chord phone ring More details:1) apply to networks GSM 900/1800MHZ 2) may call the local telephone, domestic long distance, international long-distance, mobile, IP Internet telephony.3) to provide anti-polarity signal, with the meter, if used in public accounting.4) standard bell stream / feed interface and a variety of switches can be adaptive.5) can be set to the local area code, users dial a local call dial the area code when you do not have to.6) Caller ID function.