Concentration of small business WAN switches (WAC business): Users can enjoy all the city?s PBX functionality without having to set up private branch exchange. Phone Number service: to have more than one semicolon in a common enterprise phone number assigned to accept the business. The main part of the Intelligent Network are: service switching point (SSP), is used to identify the user of the intelligent network call; service control point (SCP), complete control of the business, usually by large, medium and large computer databases composition; business Management System (SMS), is the intelligent network in operation, maintenance, management and monitoring systems. There is no need for centralized wiring for cell phone jammer.
In short, the entire telecommunications network is gradually toward the intelligent, broadband, personal direction. With the development of intelligent network, intelligent network gateway can achieve interoperability, intelligent network and the Internet with the Internet, intelligent network and broadband integrated services digital network the combination of B-ISDN, intelligent network of tomorrow will be more intelligent. ISDN is the Chinese name of the integrated services digital network, China Telecom will be ?narrowband integrated services digital network? (N-ISDN) known as ?Link.? mobile phone jammersystem can be switched on or off centrally. ?Link? digital transmission and digital switching technology, telephone, fax, data, images and other integrated services digital network in a single transmission and processing, to provide users with the basic rate (2B D, 144kbit / s) and Primary Rate (30B D, 2Mkbit / s) interfaces. Basic Rate Interface consists of two independent work of B channels (64Kkbit / s) and one D channel (16Kkbit / s). One B channel is generally used to transmit voice, data and images, D-channel used to transmit signaling or packet information. ?Link? is a comprehensive digital network telephone based communications network evolved, can provide end-to-digital connection can carry voice and non voice services, users can access through the network of multi-user network interface. The power line of energizingcell phone jammer doesn?t need the centralized wiring.
?Link? is not only able to provide circuit-switched services, but also provide packet switching and non-exclusive exchange line services, customers can choose according to need to be flexible and work with existing telephone networks, packet networks to interoperate. ?Link? to service to provide users with three categories: bearer services (nothing to do with the type of user terminals, such as circuit-switched bearer services and packet-switched bearer services, etc.); user terminal services (such as digital telephones, four types of fax, data communications, video communications, etc.); rich supplementary services (such as calling / called user identification number display / restriction, call waiting, call forwarding, multi-user numbers, sub-address, three-way communication, etc.). The power line to energize Cellular Phone Jammer can be used as the power supply or transmitting remote control signal.
ISDN has the following features. Integration of communication services: the use of a subscriber line, while the Internet can call or send and receive faxes, the same as with two telephone lines, by configuring the appropriate terminal equipment, video conferencing function can also be achieved. Achieve high reliability, high-quality communications: Use the ?Link?, because of information between the terminal fully digital, noise, crosstalk and signal fading distortion is very small, the data transmission bit error characteristics than the phone line has improved at least 10 times, so that the communication of high quality. Through the ?Link? can be 64kb / s or 128kb / s rate using the Internet network. ?Link? can also provide a wealth of additional features: Caller ID, call waiting, call hold, call transfer, multi-user numbers, sub-address, the terminal can be moved and so on. Affordable: the use of a single network to provide multiple services, ISDN significantly improved utilization of network resources to provide low cost services to users, ISDN significantly improved utilization of network resources in order to lower costs provide services, users do not have to purchase and install different equipment and different network access lines, only one interface can be a variety of services, significant savings in investment. mobile phone jammer system will be centrally controlled and managed by a set of main control software.
Flexible and easy to use: only one network interface, using a single number, you can get from the network using a variety of business needs, the user interface can be connected in the many different types of terminals, and can have multiple terminals communication. Unified access to communication equipment such as household appliances, as can easily move between different locations. The use of promising: for trade enterprises (companies), financial and insurance institutions, stock stock exchange, hospitals and schools, especially PC users. In voice communications, ISDN than traditional analog telephone network to provide more services. Because ISDN provides integrated services capabilities, can be used in more areas. Individual users in the use of ISDN Internet access, has more advantages than the MODEM, such as reducing costs and providing a real rate of 128K connection. Groups can be divided freely for mobile phone jammer.
Source: http://anney1205.blogsplash.org/centralized-wiring-ofcell-phone-jammer/
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