技术在快速发展进步。因此，我们建立了易于使用的术语汇编，帮助您更好地了解影响您业务的术语、技术和趋势。
A large telephone company that has been providing local telephone service in the United States since the divestiture of the AT&T telephone monopoly in 1982. All regional Bell operating companies (RBOCs) are considered ILECs.
