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  2. History of AT&T - Wikipedia

    en.wikipedia.org/wiki/History_of_AT&T

    History of AT&T. The history of AT&T dates back to the invention of the telephone. The Bell Telephone Company was established in 1877 by Alexander Graham Bell, who obtained the first US patent for the telephone, and his father-in-law, Gardiner Greene Hubbard. Bell and Hubbard also established American Telephone and Telegraph Company in 1885 ...

  3. Uniform Task-Based Management System - Wikipedia

    en.wikipedia.org/wiki/Uniform_Task-Based...

    The Uniform Task-Based Management System (UTBMS) is a set of codes designed to standardize categorization and facilitate the analysis of legal work and expenses.UTBMS was produced through a collaborative effort among the American Bar Association Section of Litigation, the American Corporate Counsel Association, and a group of major corporate clients and law firms coordinated and supported by ...

  4. AT&T - Wikipedia

    en.wikipedia.org/wiki/AT&T

    AT&T Inc. is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. [ 4] It is the world's third-largest telecommunications company by revenue and the second-largest wireless carrier in the United States behind Verizon but ahead of T-Mobile. [ 5]

  5. Find and remove unusual activity on your AOL account

    help.aol.com/articles/find-and-remove-unusual...

    From a desktop or mobile browser, sign in and visit the Recent activity page. Depending on how you access your account, there can be up to 3 sections. If you see something you don't recognize, click Sign out or Remove next to it, then immediately change your password. • Recent activity - Devices or browsers that recently signed in.

  6. List of SIP response codes - Wikipedia

    en.wikipedia.org/wiki/List_of_SIP_response_codes

    1xx—Provisional Responses. 100 Trying. Extended search being performed may take a significant time so a forking proxy must send a 100 Trying response. [ 1]: §21.1.1. 180 Ringing. Destination user agent received INVITE, and is alerting user of call. [ 1]: §21.1.2. 181 Call is Being Forwarded.

  7. Universal Payment Identification Code - Wikipedia

    en.wikipedia.org/wiki/Universal_Payment...

    A Universal Payment Identification Code ( UPIC) is an identifier (or banking address) for a bank account in the United States used to receive electronic credit payments. [1] A UPIC acts exactly like a US bank account number and protects sensitive banking information. The actual bank account number, including the bank's ABA routing transit ...

  8. Top US carriers say roaming customers facing ... - AOL

    www.aol.com/news/top-us-carriers-roaming...

    June 27, 2024 at 11:49 AM. (Reuters) - Major U.S. telecom service providers said on Thursday some of their users traveling overseas were having connectivity problems due to an issue at a partner ...

  9. Chart of accounts - Wikipedia

    en.wikipedia.org/wiki/Chart_of_accounts

    v. t. e. A chart of accounts ( COA) is a list of financial accounts and reference numbers, grouped into categories, such as assets, liabilities, equity, revenue and expenses, and used for recording transactions in the organization's general ledger. Accounts may be associated with an identifier (account number) and a caption or header and are ...