World Wide Web Consortium (W3C)

See W3C.

• calling name and number blocking
• calling name delivery
• calling number delivery
• call notification service
• call park
• call pick-up
• call return
• call splitting
• call supervision
• call trace
• call transfer
• call vectoring
• call waiting
• CamelCase
• CamelCase
• camp-on
• camp-on
• Canadian Radio-television and Telecommunications Commission (CRTC)
• candela (cd)
• candle
• CAN-SPAM Act (Controlling the Assault of Non-Solicited Pornography And Marketing Act)
• CAP
• capacitance (C)
• capacitive reactance (X )
• capacitor