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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.
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 ...
Rank Operator MCC / MNC Tuple Number Prefix Technology Services Ownership Total Subscribers as of November 2024 [1]; Mainland Pakistan AJ&K/Gilgit-Baltistan; 1 Jazz (PMCL - Pakistan Mobile Communications Limited)
In 2003, SNET America began doing business as SBC Long Distance East. In 2005, when SBC changed its name to AT&T , SNET America began doing business as AT&T Long Distance East . On December 17, 2013, AT&T announced plans to sell SNET America and its companion incumbent local exchange carrier Southern New England Telephone to Frontier ...
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
Although "Southwestern Bell" generally referred to the operations of the entire Baby Bell, in 1995, SBC decided to change its corporate name to SBC Communications in order to reposition itself as a national telecommunications company. Southwestern Bell Telephone underwent a branding overhaul and adopted the slogan, "Your friendly neighborhood ...
SBC Long Distance is a separate subsidiary than AT&T Communications, the incumbent long-distance carrier for most of the country acquired in the SBC merger with AT&T. SBC Long Distance started in 1996 as Southwestern Bell Communications Services, Inc. , created as a result of the Telecommunications Act of 1996 which allowed the Baby Bells to ...
ULTATEL is a provider of unified communications software. It offers an integrated platform that delivers cloud-based Voice over Internet protocol (VoIP) technology. [8] The platform supports voice, SMS, fax, chat, and video.