Telephone Systems - From PSTN to VOIP - Genecast.com

Advancements in internet technology have brought about significant changes in the telecommunications sector as well, leading to the introduction of high quality and reliable communication tools. Most importantly, the developments have led to lower costs in voice communication. The conventional technology of Public Switched Telephone Network (PSTN) has made way for VoIP technology. Internet telephony has been around for a while but the last few years have witnessed a significant change in quality.0845 Numbers

PSTN Vs. VoIP

VoIP uses internet protocol packets to transfer voice, fax, and other data. Calls are transferred as data packets over the shared network, thereby eliminating toll charges, which is why they are cheaper than calls over PSTN. Constant upgrades are being made to make VoIP quality comparable to the traditional phone system. Moreover, expansion of a communication with VoIP is much cheaper, without the need for the installation of expensive hardware. Calls can be forwarded to different locations, ensuring that no call remains unanswered. While PSTN requires dedicated lines, all voice channels are carried over one internet connection. Call management features such as Caller ID, call waiting, and call routing are usually included free with service plans for VoIP where they are available at an extra cost on PSTN.0800 Numbers

PSTN to VoIP gateway solutions

VoIP systems can be connected to the PSTN. Among the major concerns that a user may have is downtime and power failures. However, using a VoIP gateway can overcome these problems with the help of an FXO gateway. This acts as a bridge between the IP network and PSTN. Voice traffic is converted into the proper form for the destination, be it an IP or PSTN network. Voice traffic from a PSTN will be converted by the VoIP gateway from an analogue to digital signal which is compressed and broken into packets for transfer over an IP network. On the other hand, voice traffic from an IP network is converted from digital signals to an analogue signal and sent across the PSTN. It is important to select the right VoIP gateway, depending on the number of lines or devices you desire to connect to the VoIP gateway. For example, you will need a two FXO analogue VoIP gateway to connect a VoIP system to two PSTN lines. There are also products that can covert from PSTN-to-VoIP-to-PSTN. It is essential to plan properly for PSTN to VoIP implementation, which varies according to an organisation?s needs. Whatever the requirements, it results in great savings without the need for expensive hardware and the prospects of making cheaper international calls as well.

Source: http://genecast.com/Communications/telephone-systems-from-pstn-to-voip-33875.html

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