Bandwidth for VoIP Phone Calls

A common question potential VoIP-users ask is how much bandwidth is required for a VoIP to make clear, quality calls?

Bandwidth is the ability to transfer data from one point to another at a certain amount of time. The faster your bandwidth speed is, the more data you can send and receive over your internet connection. There are two kinds of bandwidth: download bandwidth and upload bandwidth. The upload bandwidth is the amount of data you can send to someone through the internet, and the download bandwidth is the amount of data you can receive through or from the Internet.

Normally, a VoIP call uses about 90 Kbps (kilobytes per second). If your internet service provider doesn’t offer that much bandwidth, there are some VoIP services that allow you to lower the voice quality by lowering the amount of bandwidth for the VoIP call to 60 Kbps or 30 Kbps. The default setting is usually at 90 Kbps, which gives the best sound quality, but even if you change it to the lower settings, some people can’t tell the difference.

If you intend to use VoIP to save money on long-distance calls, it’s recommended that you get a cable or DSL internet service provider. The bandwidth for cable internet starts at 600 Kbps, which is more than enough bandwidth to support high-quality VoIP calls.

Voice over Internet Protocol (VoIP) Resources is a compilation of VoIP trends, providers and the latest news in this new wave of technology. There is special emphasis on the VoIP providers in the Philippines. To advertise at VoIP Resources, contact me here.

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