How Much Bandwidth VoIP use

Bandwidth VoIP

Companies are constantly seeking for methods to improve their customer communication, and VoIP has made this highly cost-effective and simple. However, there are several factors to consider before deploying your VoIP system. It is critical to determine how much bandwidth you will require, as you will need internet speeds capable of managing high call volumes.

What is bandwidth, and why is it important?

The data transfer rate of your internet service is referred to as bandwidth. It essentially refers to the amount of data that you can transport through your Internet subscription within a given time period. The bandwidth provid by your Internet Service Provider (ISP) is critical since you must be able to devote a specific quantity to your VoIP service.

Because VoIP phone systems are fully internet-based, your call quality will be directly proportional to your internet service and speed. If you have a slower internet connection or less bandwidth, you may notice a decline in call quality.

What is your internet service provider’s upload and download speed?

  • Do you have other programs or services running on your network at the same time? If so, how much bandwidth do they consume?
  • Is there a Quality of Service setting on your network that allows you to optimize for VoIP?
  • Quality of Service settings allow you to prioritize specific types of traffic within your network, such as voice.

Calculating the Required Bandwidth for VoIP

To accurately determine how much bandwidth required for your company VoIP, you must first determine how many concurrent calls you and your employees will make. Typically, you’ll require between 85 and 100 Kbps per concurrent VoIP call. Remember that the more surfing activity there is, the less bandwidth is available for VoIP calls.

Another factor influencing call quality is the codec employed by your provider. A codec is a program that converts voice signals into digital data that can be sent over the internet during your VoIP call. The sampling rates of different codecs vary. We’ve included a table below to help you understand codecs better. Before we begin, let’s define a few terms:

  • Bitrate per second: the number of bits of data transmitted in a particular amount of time.
  • Lossless compression: Lossless compression rips your audio file, reducing its size while maintaining its quality. In other words, it is an exact replica.
  • Lossy compression: Reduces file size by up to tenfold, but some audio data is permanently lost, so audio quality may suffer slightly.

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