IP telephone terminal with SIM/UIM/USIM card

The IP telephone terminal with SIM/UIM/USIM card of the utility model comprises a central processing unit, an IP network interface unit, a memorizer, an audio processing DSP, an analog audio interface and a power source. The main technical proposal of the utility model is that an SIM card or a UIM card or a USIM card or an IC card is connected to the central processing unit of the IP telephone terminal. Besides all the functions owned by common IP telephone terminals, the utility model is also provided with an electric circuit connected with the IC card. The IC card determines the identification of the terminal and cooperates with other entities of the communication network to conduct the identification and the authorization of this terminal. This IP telephone terminal extends various businesses of the fixed terminal users and provides the fixed user terminal with certain mobility, so as to solve the inborn technical insufficiency of the fixed terminal on the short message aspect.