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In many cases the SBC hides the network topology and protects the service provider or enterprise packet networks. The SBC terminates an inbound call and initiates the second call leg to the destination party. In technical terms, when used with the SIP protocol, this defines a back-to-back user agent (B2BUA). The effect of this behavior is that ...
SBC Telecom, Inc. d/b/a AT&T Small Business is a CLEC owned by AT&T that offers local telephone service outside the AT&T Bell Operating Company regions. [1] [better source needed] It was formed in 1999 following provisions that required SBC Communications to offer telephone service outside its boundaries in order to get approval to merge with Ameritech.
This is a list of computing and IT acronyms, initialisms and abbreviations. 0–9. 1GL ... B TAM—Basic Telecommunications Access Method; ... MTBF—Mean Time ...
Abbreviation Meaning Primary Applicability [4] Normative Reference ACK: Acknowledgement Transport and other layers TCP/IP, for example. RFC 793 ACL: Access control list Security, application layer Access control list, Cisco overview: ADSL: Asymmetric digital subscriber line Telecom ITU-T G.992.5 Annex M, for example AES: Advanced Encryption ...
This is a List of telecommunications terminology and acronyms which relate to telecommunications. C. Coded set ...
Merriam-Webster is defines an initialism as “an abbreviation formed from initial letters,” but acknowledges that “acronym is commonly used to refer to both types of abbreviations.” However ...
SBC Cinemas, cinema chain in Taiwan, now part of Vue International; SBC Telecom, a US telecom corporation; Seattle's Best Coffee, American coffee retailer; Security Bank Corporation, Philippines; Service Bureau Corporation, former IBM subsidiary divested in 1973; South Bay Conservatory, a performing arts company, Los Angeles, California, US
SBC Communications announced its plans for a fiber-optic network and Internet Protocol television (IPTV) deployment in 2004 and unveiled the name "U-verse" (formerly "Project Lightspeed" [23]) for the suite of network services in 2005. SBC eventually became AT&T in late 2005, and the AT&T name was applied for the service.