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Internet Telephony has been around for awhile, but its use was very limited prior to 1995. It was mostly only used by people who liked to use the technology as a hobby. However in 1995, the first internet phone was released by a company called VocalTec.
When internet telephony first began, it was limited to PC to PC use. This required that both users had the software on their computers and that both computers were connected to the internet. Both computers also had to have sound cards, microphones and headphones. You could only to speak to someone who was using a computer. This was because internet phones utilized packet-switched networks and regular phone lines utilized circuit-switched networks. At the time, the technology to connect these two networks was not available, which made it impossible for a PC to call a regular telephone number.
Natalie Aranda writes about technology. In fact, the only real difference
comes from the price. Companies such as
Vonage offer great
packages which allow you to make
cheap calls, even
when do a lot of
international calling. They usually offer call waiting, call forwarding and
caller ID for free.
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