MSF (Multiservice Switching Forum)

A global association of manufacturers and service providers

working to develop and promote interoperable multiservice switching systems based on an open architecture. The MS Forum, the European Telecommunications Standards Institute (ETSI), and the Alliance for Telecommunications Industry Solutions (ATIS) have adopted the IP Multimedia Subsystem (IMS) as the foundation for their next-generation infrastructure strategies. See Appendix A for contact information. See also architecture, ATIS, ETSI, and IMS.

• photon
• photonic cross-connect (PXC)
• photonics
• photophone
• PHS (Personal Handyphone System)
• PHY (PHYsical Layer)
• physical
• Physical Layer (PHY)
• Physical Medium (PM)
• physical reach
• physical topology
• Physical Unit (PU)
• physics
• picker
• picocell
• piconet
• PID (Pager Identification Number)
• piezoelectric effect
• ping
• PIN (Positive Intrinsic Negative)
• PIN (Positive Intrinsic Negative)
• PIN (Positive Intrinsic Negative)
• pipe
• PISN (Private Integrated Services Network)
• PISO (parallel-in, serial-out)