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IP Telephony
IP telephony (Internet Protocol telephony) is a general term for the technologies that use the Internet Protocol's
Jitter
Jitter is the deviation in or displacement of some aspect of the pulses in a
LAN
A local area network (LAN) is a group of computers and associated devices that share a common communications line and typically share the resources of a single processor or server within a small geographic area (for example, within an office building).
MAC address
On a local area network (LAN) or other network, the MAC (Media Access Control) address is your computer's unique hardware number. (On an Ethernet LAN, it's the same as your Ethernet address.) When you're connected to the Internet from your computer (or host as the Internet protocol thinks of it), a correspondence table relates your IP address to your computer's physical (MAC) address on the LAN.
PSTN
The PSTN (public switched telephone network) refers to the world's collection of interconnected
UTP
Unshielded twisted pair is the most common kind of copper telephone wiring.
Twisted pair is the ordinary copper wire that connects home and many business computers to the telephone company.
VoIP
VoIP (voice over IP - that is, voice delivered using the Internet Protocol) is a term used in IP Telephony for a set of facilities for managing the delivery of voice information using the Internet Protocol(IP). In general, this means sending voice information in digital form in discrete Packet rather than in the traditional
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