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Telecommunications are long range communication: the transmission of information over large distances, particularly via electromagnetic radiation (such as radio waves, microwaves and infra-red light), or via wires and cables. Examples of telecommunications equipment include mobile "cellular" networks, broadband and Internet systems. Browse this page to find suppliers more

Telecommunications are long range communication: the transmission of information over large distances, particularly via electromagnetic radiation (such as radio waves, microwaves and infra-red light), or via wires and cables. Examples of telecommunications equipment include mobile "cellular" networks, broadband and Internet systems. Browse this page to find suppliers and service providers supporting a broad range of telecommunications systems including data and hybrid cables, radio equipment, tactical and encrypted communication solutions, voice and network services, network security solutions, and technology for the Internet of Things.

Telecommunication services are provided by a telecommunications provider or a specified set of user-information transfer capabilities provided to a group of users by a telecommunications system. The telecommunications service user is responsible for the information content of the message. The telecommunications provider has the responsibility for the acceptance, transmission and delivery of the message. The definition of the telecommunications service is the offering of telecommunications for a fee directly to the public or to such classes of users as to be effectively available to the public, regardless of the facilities used.

Telephony is the field of technology involving the development, application and deployment of telecommunication services for the purpose of electronic transmission of voice, fax or data between distant parties. The history of telephony is intimately linked to the invention and development of the telephone. Telephony is commonly referred to as the construction or operation of telephones and telephonic system of telecommunications in which telephonic equipment is employed in the transmission of speech or other sound between points, with or without the use of wires

Communication systems engineering is the application of principles from electrical and systems engineering to the task of designing, developing and maintaining telecoms networks and technologies for both voice and data transfer. The field encompasses everything from the development of small telephony circuits and products to the large-scale deployment of communications infrastructure including cables and antennas. Communications systems also include software solutions for routing, organizing and recording information in Internet and telephone systems. The following organizations supply communications systems engineering services, equipment and technology. Browse through the services our suppliers offer such as computer, systems and software engineering, session initiation protocol, ip voice, digital and secure communication systems, computer engineering and more.

Communications systems are a collection of individual communications networks, transmission systems, relay stations, tributary stations and data terminal equipment that is usually capable of interconnection and interoperation to form an integrated whole. The components of a communications system serve a common purpose, are technically compatible, use common procedures, respond to controls and operate in union. Telecommunications is a method of communication. Communication is the act of conveying intended meanings from one entity or group to another through the use of mutually understood signs and semiotic rules.

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