telephony circuit
1Circuit Switched Data — (CSD) is the original form of data transmission developed for the time division multiple access (TDMA) based mobile phone systems like Global System for Mobile Communications (GSM). CSD uses a single radio time slot to deliver 9.6 kbit/s data… …
2Multimedia Telephony (MMTel) — The 3GPP/NGN IMS Multimedia Telephony Service (MMTel) is a global standard based on the IP Multimedia Subsystem (IMS), offering converged, fixed and mobile real time multimedia communication using the media capabilities such as voice, real time… …
3Multimedia telephony — The 3GPP/NGN IP Multimedia Subsystem (IMS) multimedia telephony service (MMTel) is a global standard based on the IMS, offering converged, fixed and mobile real time multimedia communication using the media capabilities such as voice, real time… …
4Wireless telephony — Wireless Wire less, a. Having no wire; specif. (Elec.), designating, or pertaining to, a method of telegraphy, telephony, or other information transmisssion, in which the messages, data, etc., are transmitted through space by electric waves; as,… …
5Cable telephony — is a specialized form of digital telephony over cable TV networks accomplished by installing a special telephone interface at the customer s premises that converts the analog signals from the customer s in home wiring into a digital signal, which …
6Cord circuit — In telecommunication, a cord circuit is a switchboard circuit in which a plug terminated cord is used to establish connections manually between user lines or between trunks and user lines. A number of cord circuits are furnished as part of the… …
7System X (telephony) — System X was the name of the UK s first national digital telephone exchange system.HistorySystem X was developed by the UK Post Office (later to become British Telecom), GEC, Plessey, and Standard Telephones and Cables (STC), and first shown in… …
8Engset calculation — The Engset calculation is a formula to determine the probability of congestion occurring within a telephony circuit group. It was named after its developer, T. O. Engset. The level of congestion can be used to determine a network s performance as …
9Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …
10Liste der Telekommunikationsstandards — Liste von Standards und Richtlinien aus der Telekommunikation. Inhaltsverzeichnis 1 ETSI 1.1 Nomenklatur 1.1.1 derzeit gültige Nomenklatur 1.1.2 vorherige Nomenklatur …
