appointment call

An international long distance calling method that requires the caller to make an

appointment for an international operator to seize an international trunk and place an international call at an appointed time. Appointment calling largely has been replaced by international direct distance dialing (IDDD). See also IDDD.

• RTP (Real Time Transport Protocol)
• rt (real-time)
• RTSP (Real-Time Streaming Protocol)
• RTS (Request To Send)
• rt-VBR (real-time Variable Bit Rate)
• rule of thumb
• rule of thumb
• rules of engagement
• rules of engagement
• run-length encoding
• runt
• Rural and High Cost Program
• Rural Health Care Corporation (RHC)
• Rural Health Care Program
• Réseaux IP Européens Network Coordination Center (RIPE NCC)
• S
• SAN (Storage Area Network)
• SAPI (Service Access Point Identifier)
• SAR (Segmentation And Reassembly)
• satellite
• S band
• S-Band (Short [Wavelength] Band)
• SBE (Small Business Enterprise)
• SCAI (Switch-to-Computer Applications Interface)
• SCAI (Switch-to-Computer Applications Interface)