- VoIP allows people to Internet.VoIP or voice voice over Internet Protocol phone, uses an Internet connection to phone calls.
Making calls VoIP in several ways. Some programs such as Skype, can perform incoming and outgoing calls on your computer. You can use other services to your existing phone or broadband services.
Audio teleconference
Audio teleconferencing is equivalent to a Conference. It enables citizens at several sites in contact and discuss with you.
Telephony
Telephony voice a person on the Internet is a method of transmission. Internet telephony requires voice encoding method, a digital connection, and a way to to stop the call on the receiving end.
Messaging
Messaging is any process of storage and transmission of messages. It contains electronic voice messages, email broadcast and fax mail. Messaging systems to people to store messages and their examination at a later date to allow.
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