IP (Internet Protocol) telephony is a progressive form of technology that is concerned with the digital side of telecommunications. The means through which IP telephony works is VoIP (Voice over Internet Protocol) which is used to send voice over the internet instead of through traditional telephone landlines. This voice transmittal could apply to telephone calls, mobile communication, voicemail, faxing, video conferencing or even TV. VoIP is becoming a popular replacement for the old ISDN standard as it is cheaper and considerably more flexible.
IP Telephony’s many advantages include:
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