VOIP or Voice over Internet Protocol is a technique used to transmit voice communications over the Internet. Also referred to as Internet telephony, this technology has completely changed the concept of telecommunication.
Analog voice signals arising from your phone is converted into digital IP packets and send it over an IP network. If you're looking for VoIP service in Vermont, you can browse various online sources.
On the side of the destination, the packets are converted back to analog form. Both open and proprietary protocols that are used for the implementation of VOIP facility.
Some of them include the Real-Time Transport Protocol (RTP), Media Gateway Control Protocol (MGCP), and Session Description Protocol (SDP).
VOIP devices are becoming increasingly popular these days, because it offers many benefits to its users.
First and foremost is that VOIP is comparatively cheaper than traditional phone systems, which utilize the PSTN (Public switched telephone network) services.
Studies show that about 90% of the costs can be reduced when international calls made through VOIP phone.
In fact, you can get unlimited free calling services in a particular geographic area. Not only voice communications, VOIP facility can also be used for sending SMS and faxes.
Using VOIP phones, more than two people can speak or transfer data at the same time. This is what makes it a great application for video conferencing.
VOIP phone service is also associated with a variety of basic features such as call waiting, repeat dialing, caller id facility, three-way calling options, and call back.
Some VOIP providers even offer advanced capabilities such as block anonymous call, blocking international, online account management, area code selection, enhanced voicemail and more choice.
Common devices necessary for VOIP services
To send or receive a VOIP call, setup additional hardware is often needed. In addition to the PC and headset, you need an analog telephone adapter (ATA), which acts as an interface between the PSTN phone and your VOIP line.
You should also use a VOIP interface cards that add VOIP capabilities to your PC. other hardware that may require including Voice PBX, VOIP gateways, and digital telephone adapter (DTA).