Features of the device with intelligent networking function without center. Any two terminals can realize automatic networking and intelligent communications. In addition to the normal equipment can be achieved between the make and receive calls, but also with point intercom call and group call function. Freedom of speech communication can be realized within the network. The system is mainly used in small and medium sized businesses, families and other occasions. In order to facilitate and external connections, the system also has a dedicated external link devices that support ordinary telephone lines wired access or wireless access Mobile, China Unicom and China Telecom numbers. Any user within the network can access the device via incoming and outgoing external calls. Also supports call forwarding, and a strong network access functions. Equipment without having to install a plug and play. Easy to use operation, a large network capacity. In a small area can accommodate tens of thousands of users. With intelligent air interface optimized operation. Data encryption algorithm using a special, never string lines. Network coverage of large (open area greater than 500m). Model: 1. Ordinary landline telephones 2. 3. Wireless access telephone access (Mobile, China Unicom or Telecom) 4. The main function of the handset device 1. Internal Caller 2. Internal called 3. Internal Paging 4. Internal Point 5. External outgoing calls 6. External call forwarding incoming 7. 8. 9. received strong external incoming CDR storage and export automatically synchronize wireless smart local telephone advantages 10. For network users is: instead of the traditional office phone machine, no wiring, no switches, no fees, one call, many call for corporate office. Products at the card and not the card two kinds of models