Recommended Bandwidth for VoIP
Bandwidth is the rate at which data can be carried over a network. It is measured in bits per second. Voice over Internet Protocol (VoIP) connections require a minimum amount of bandwidth in order to function satisfactorily.
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Bandwidth Requirements
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A VoIP connection will function adequately on a bandwidth of 30kbps. A conversation on such a line will, however, include delays and will be susceptible to dropped calls if packet loss occurs. A higher bandwidth improves the quality of service. A high-quality service requires about 90kbps.
Multiple Calls
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More bandwidth is required on a line if it is to carry multiple calls simultaneously. Thus, each call multiplies the amount of bandwidth needed. Two low-quality calls will use 60kbps. Three would need 90kbps.
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Quality Differences
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There are many service providers offering VoIP services. These each use different compression rates and transmission algorithms. Vonage, for example, offers three levels of service at 30kbps, 60kbps and 90kbps. Each level of service is charged at a different rate.
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References
Resources
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