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Internet telephony consists of a combination of hardware and software that enables you touse the Internet as the transmission medium for telephone calls. For users who have free,or fixed-price Internet access, Internet telephony software essentially provides freetelephone calls anywhere in the world. In its simplest form, PC-to-PC Internet telephonycan be as easy as hooking up a microphone to your computer and sending your voicethrough a cable modem to a person who has Internet telephony software that iscompatible with yours. This basic form of Internet telephony is not without its problems,however. Connecting this way is slower than using a traditional telephone, and thequality of the voice transmissions is also not near the quality you would get when placinga regular phone call.