LLC (Logical Link Control)

According to the IEEE model, the upper sublayer of the Data Link

Layer, described in the OSI Reference Model. The LLC sublayer is concerned with issues of multiplexing, flow control, and detection and retransmission of dropped frames. The IEEE 802.2 Working Group sets standards and develops recommendations for LLC. See also 802.2, Data Link Layer, flow control, IEEE, multiplexer, and OSI Reference Model.

• CAI (Common Air Interface)
• CALC (Customer Access Line Charge)
• CALEA (Communications Assistance for Law Enforcement Act)
• calibrate
• call
• call agent
• call-back messaging
• call blending
• call block
• call block
• call center
• call center
• call centre
• call completion service
• call controller
• call detail record (CDR)
• caller ID (caller IDentification)
• call extender
• call forking
• call forward
• calling line identification (CLID)
• calling name and number blocking
• calling name delivery
• calling number delivery
• call notification service