VOIP or Voice over Internet Protocol is a technique used to transmit voice communications over the Internet. Also called as Internet telephony, this technology has truly changed the concept of telecommunication. The analog voice signal that emerges from your telephone is converted to digital IP packets and is send via the IP network. On the destination side, the packets are converted back to analog form. Both open and proprietary protocols are utilised for the implementation of VOIP facility. A few among them includes Real Time Transport protocol (RTP), Media Gateway Control Protocol (MGCP), and Session Description Protocol (SDP).
VOIP devices are becoming increasingly popular these days, as it offers a wide range of benefits to its users. First and foremost is that, VOIP is comparatively cheaper than the traditional telephone system, which utilise a PSTN (Public switched telephone network) service. Studies show that around 90% of cost can be reduced when international calls are made through VOIP phones. Even, you can get unlimited free call service within a specific geographical area. Not only voice communication, VOIP facility can also be utilized to transmit SMS and fax.
Using a VOIP phone, more than two persons 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 wide range of basic features like call waiting, repeat dialling, caller id facility, three way dialling option, and return call. Some VOIP providers even offer advanced capabilities such as anonymous call block, international blocking, online account management, area code selection, enhanced voicemail option and much more.
Common devices needed for VOIP service
To send or receive VOIP calls, additional hardware setup is often needed. Besides a PC and a headset, you need an analog telephone adapter (ATA), which acts as an interface between PSTN telephone and your VOIP line. You should also use a VOIP interface card that adds the VOIP capabilities to your PC. Other hardware devices that may require include Voice PBX, VOIP gateways, and Digital telephone adapter (DTA).
These days, you can find a number of VOIP service providers. But before choosing one, it is essential to make a comparison about the services offered by each of them. Always consider the quality of service, activation and termination fee, length of service duration, and ease of use. Search the internet or read customer reviews to gather information about the best service providers.
Relying on these innovative telecommunication companies can truly make you experience ease and huge savings. Basically, before you can take advantage of cheap overseas calls through the services offered by these companies you need to have a distinct PIN code that will serve as your access in order to make affordable international calls.
It is possible to call Bangladesh at a cheaper rate using your PIN code because you are actually charged local rates regardless of where you are calling from. This is very contrary to the charges that traditional telecom companies charge you for the international calls that you make. The truth is these companies charge you per second of your calls abroad making it expensive to call Bangladesh. But now, these calls can be cheaper and easier to make.
Don't forget to check out Cheap Call Bangladesh today!
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