ZyXEL Communications MWR222 - V1.0 Manual page 171

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Sending voice signals over the Internet is called Voice over IP or VoIP.
Session Initiated Protocol (SIP) is an internationally recognized
standard for implementing VoIP. SIP is an application-layer control
(signaling) protocol that handles the setting up, altering and tearing
VoIP (SIP)
down of voice and multimedia sessions over the Internet.
SIP is transported primarily over UDP but can also be transported over
TCP.
BitTorrent is a free P2P (peer-to-peer) sharing tool allowing you to
distribute large software and media files. BitTorrent requires you to
BitTorrent search for a file with a search engine yourself. The client downloads
the file in small pieces and shares the pieces with other peers to get
the other pieces of the file.
Online gaming services let you play multiplayer games on the Internet
Gaming via broadband technology. As of this writing, your MWR222 supports
Xbox, Playstation, Battlenet and MSN Game Zone.
MWR222 User's Guide
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