- Packet Switched Call
- Telecommunications: PSC
Универсальный русско-английский словарь. Академик.ру. 2011.
Packet Switched Call
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Packet switched network — A Packet Switched Network, or PSN, refers to the packet switched networks that existed before the Internet. The history of such networks can be divided into three eras:early networks before the introduction of X.25 and OSI,the X.25 era when many… … Wikipedia
Packet Layer Protocol — or PLP is the network layer protocol for X.25 protocol. PLP manages the packet exchanges between DTE (data terminal) devices across VCs (virtual circuits). PLP also can be used on ISDN using Link Access Procedures, D channel (LAPD).There are 5… … Wikipedia
call packet — A block of data that carries addressing information, as well as any other information needed to establish an X.25 switched virtual circuit … Dictionary of networking
General Packet Radio Service — (GPRS) is a packet oriented mobile data service on the 2G and 3G cellular communication system s global system for mobile communications (GSM). GPRS was originally standardized by European Telecommunications Standards Institute (ETSI) in response … Wikipedia
High-Speed Circuit-Switched Data — (HSCSD), is an enhancement to Circuit Switched Data, the original data transmission mechanism of the GSM mobile phone system, four times faster than GSM, with data rates up to 38.4 kbit/s.As with CSD, channel allocation is done in circuit… … Wikipedia
Public switched telephone network — The public switched telephone network (PSTN) is the network of the world s public circuit switched telephone networks. It consists of telephone lines, fiber optic cables, microwave transmission links, cellular networks, communications satellites … Wikipedia
Voice call continuity — The 3GPP has defined the Voice Call Continuity (VCC) specifications in order to describe how a voice call can be persisted, as a mobile phone moves between circuit switched and packet switched radio domains (3GPP TS 23.206).Many mobile phones are … Wikipedia
Conference call — A Polycom phone made specifically for conference calls. A conference call is a telephone call in which the calling party wishes to have more than one called party listen in to the audio portion of the call. The conference calls may be designed to … Wikipedia
Collect call — A collect call in the USA and Canada or reverse charge call in the UK and other countries (or calling collect) is a telephone call in which the calling party wants to place a call at the called party s expense. In the past, collect calls were… … Wikipedia
Circuit 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… … Wikipedia
Cellular Digital Packet Data — Abbreviated CDPD. A method used in cellular communications and wireless modems for sending data more efficiently by using any idle cellular channel. Capacity becomes available for data transmissions when a voice call is terminated or when a… … Dictionary of networking
