TSI's Signaling Solution Supports AT&T Wireless Services International Roaming Services.Business Editors/Technology WritersLAS VEGAS--(BUSINESS WIRE)--March 20, 2001 News Summary: Contract signed with TSI TSI Total Solar Irradiance (sum solar light in energy per unit of time) TSI Trading Standards Institute (UK) TSI Transportation Safety Institute (US DOT) simplifies AT&T Wireless Services' international roaming capabilities. AT&T Wireless Services will connect to TSI's centralized call processor to resolve the signaling protocol It is a protocol used to identify signaling encapsulation. Signaling is used to identify the state of connection between telephones or VOIP terminals ( IP telephone or PCs or VoWLAN units ). List of signaling protocols:
TSI Telecommunication Services Inc. (TSI) announced today at CTIA (1) See CompTIA. (2) (Cellular Telecommunications & Internet Association, Washington, DC, www.ctia.org, www.wow-com.com) A membership organization founded in 1984 that is involved with regulatory and public affairs issues in the wireless industry. Global Wireless 2001 that it has signed a technology agreement with AT&T Wireless Services (NYSE NYSE See: New York Stock Exchange :AWE) that will support simplified international roaming capabilities. The resulting capabilities will enable AT&T Wireless subscribers to make and receive calls in more than 80 countries supported by TSI. International roaming includes interconnecting national and regional networks around the world as well as dealing with the complications surrounding switch type, message routing, network transport type, signaling protocol and software interoperability. The contract will provide AT&T Wireless Services with TSI's signaling solution, a service that minimizes difficulties that can be associated with international roaming. CDMA (Code Division Multiple Access) A method for transmitting simultaneous signals over a shared portion of the spectrum. The foremost application of CDMA is the digital cellular phone technology from QUALCOMM that operates in the 800 MHz band and 1.9 GHz PCS band. , TDMA (Time Division Multiple Access) A satellite and cellular phone technology that interleaves multiple digital signals onto a single high-speed channel. For cellular, TDMA triples the capacity of the original analog method (FDMA). and AMPS operators commonly use the TIA/EIA ANSI-41 signaling protocol globally. TSI's signaling solution is an ANSI-41 call processor that provides interoperability among the various revisions of the TIA/EIA ANSI-41 signaling family and seamless translation of international roaming protocols. The TSI signaling solution will enable AT&T Wireless Services to use one signaling point A node in an SS7 network. See SS7 and point code. code instead of directly routing to hundreds of switches and networks around the world. This will allow network elements in one country to route messages to other countries without the need for indirect routing in the home or serving market. "We are pleased that AT&T Wireless Services, serving customers in more than 130 U.S. markets, chose TSI's international signaling solution," said Brian Moore Brian Moore may be:
AT&T Wireless currently offers international roaming in more than 100 major cities across Europe, Asia and Australia and South America South America, fourth largest continent (1991 est. pop. 299,150,000), c.6,880,000 sq mi (17,819,000 sq km), the southern of the two continents of the Western Hemisphere. via its ADVANCE alliance with BT (British Telecom) Wireless. About TSI TSI Telecommunication Services Inc. (TSI) is a global supplier of interoperability solutions to more than 220 telecommunications operators throughout North America, Latin America, Asia-Pacific and Europe. TSI delivers state-of-the-art technical and business solutions that simplify the complex challenges of a rapidly evolving, highly competitive industry. Products include inter-standard wireless roaming and Internet solutions, SS7 intelligent network services, fraud and carrier access billing solutions, and many other service bureau applications. TSI is based in Tampa, Fla., U.S.A. For more information, visit www.tsiconnections.com. About AT&T Wireless AT&T Wireless (NYSE:AWE), a wholly owned subsidiary Wholly Owned Subsidiary A subsidiary whose parent company owns 100% of its common stock. Notes: In other words, the parent company owns the company outright and there are no minority owners. of AT&T (NYSE:T), operates one of the largest digital wireless networks in North America. With more than 15 million subscribers (including partnership markets), AT&T Wireless is committed to being the premier provider of high-quality wireless communications services, whether mobile or fixed, voice or data, to businesses or consumers, in the U.S. and internationally. |
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