Videoconferencing Terminology

• H.323-This is a protocal used on the internet. It does not use phone lines or modems.
• H.320-This is the protocol used when using a phone line called ISDN. You pay by the minute for this type of dedicated phone line.
• ISDN-See H.320 above.
• p2p-This is shorthand for point-to-point connections. It means that a conference is just from point A to point B, with no other groups joining in.
• H323/H320 mixed conference. These represent conferences in which some groups are using ISDN lines and the newer directly connected H.323 systems.
• ICN-This is the Iowa Computer Network. They are based in Des Moines and can schedule ISDN conferences from our H.323 systems.