What is cable telephony?

Cable telephony is the use of cable television connection as a means of transmitting telephone calls. It uses a local cable network to send and receive data in a similar way to a connection to the cable internet, although cable telephony does not use the Internet itself, and therefore differs from internet telephony. Due to the ability to compress data sent via cable lines, cable telephony can provide more efficient use of bandwidth than conventional phones, although it also suffers from reliability problems facing conventional ground connections.

The main advantage of cable telephony is that to transfer the same amount of data requires a much smaller bandwidth as a conventional phone. As with digital cable TV, this data compression moving via the cable network allows the network to carry more data at the same time than it would be possible for older technology. This more efficient use of the bandwidth allows higher sound quality. As a cable telephone cable companies useThe same network as the Internet cable connection and cable TV offers these services connected together, which can be cheaper than receiving telephone, internet and television services separately. This is commonly called Triple Play.

The main disadvantage of cable telephony is that users of the width of the service sharing with other telephone users and other use of a cable network such as TV signals and connecting to the cable Internet. This means that when the wiring network is heavily used, there is a risk that some users' calls will be canceled or delayed due to insufficient bandwidth to comply with demand. In addition to the possible inconveniences it may cause, this also represents a potential security risk if someone attempts to make an emergency call, such as calling to a fire brigade or hospital, during the top hours of use and is unablejoin immediately.

Another disadvantage of cable telephony is that it requires a source of electricity in the user of the user to call or receive calls. Conventional phones receive a power supply sent via telephone lines called Phantom Power, which allows them to broadcast calls from a building that has lost electricity. This cannot be done when cable phones are connected, although some cable phones are sold with emergency batteries to solve this problem.