hybrid TDM/IP PBX

A PBX that has both TDM and IP components co-existing, side-by-side. The

TDM component comprises TDM line and trunk cards and ports and a TDM bus. The IP component

comprises Ethernet ports, an Ethernet switch, a router, and IP trunk ports. A gateway interconnects the TDM and IP components, both of which are under the control of a telephony server running a commercial operating system (OS). See also IPBX.

• fallback modem
• Family Radio Service (FRS)
• fantail circuit
• far-end cross talk (FEXT)
• farther
• fast busy signal
• FAST (Framed ATM over SONET/SDH Transport)
• fast packet services
• fast retrain
• fat access point
• fat AP (fat Access Point)
• fat client
• FATE (Frame-based ATM Transport over Ethernet)
• fatware
• fault management
• fax emulation
• fax (facsimile)
• fax-on-demand (FOD)
• fax-on-demand (FOD)
• Fax over Internet Protocol (FoIP)
• Fax over Internet Protocol (FoIP)
• fax relay
• fax spoofing
• FCC
• FCC (Federal Communications Commission)