Originally provided midsize and large orga- nizations with connections to long-distance BRI (Basic Rate Interface) providers that bypassed local telephone The ISDN interface made up of two B chan- companies. CAPs are now often referred to nels at 64 kilobits each and a signaling chan- as Competitive Local Exchange Carriers nel with a speed of 16 kilobits. (CLECs) or competitive providers. bridge CCIS (Common Channel Interoffice A device that connects local or remote net- Signaling) works together. Bridges are used to connect A signaling technique used in public net- small numbers of networks. Bridges do not works. Signals such as those for dial tone and have routing intelligence. Organizations that ringing are carried on a separate path from want to connect more than four or five net- the actual telephone call. CCIS allows for telephone company database queries used in works use routers. features such as caller ID, call forwarding, and network-based voicemail. CCIS chan- broadband A data transmission scheme in which mul- nels are also used for billing and diagnosing public network services. tiple transmissions share a communications path. Cable television uses broadband trans- CDMA (Code-Division Multiple mission techniques. Access) An air interface used to transmit digital cel- broadband wireless access lular signals between handheld devices and Provides similar capabilities as DSL, cable cellular carriers' networks. CDMA assigns a modems, T1/T3/E1/E3, and other broadband unique code to every voice and data transmis- technologies using wireless media rather than sion by using a channel of a particular car- cabling. WiMAX and LTE can be used for rier's airwaves. CDMA is a spread-spectrum broadband wireless access service. technology that is used by Verizon Wireless, Sprint, and South Korean carriers such as broadcast A message from one person or device for- warded to multiple destinations. Video and CDMA2000 (Code-Division Multiple e-mail services have broadcast features Access 2000) whereby the same message can 