Carrying VoIP Traffic – Best Uses Of A VPN

A virtual private network (VPN) is used to Voice-over-IP (VoIP) traffic for a lot of reasons, but it is the details that need to be taken into account in order for you to do it right. The increased security is the apparent benefit, something which Session Initiation Protocol (SIP), the underlying protocol of VoIP, does not have. The performance is also one of the reasons why one would use VPN.

For example, if Skype is not allowed in a place where you want to have a Microsoft Skype call with, such as China and some countries from the Middle East, a VPN is all you need. But if VoIP communications are used by your business for routine calling, you will need to set up the VPN connection each time you want to make a call, and that is just impractical. Besides that, not every VPN is up for such a task. What you need to look for is a VPN which’s purpose is to be used in a VoIP environment.

A VPN that is specialized in such things should be used n order to make sure that everything works efficiently. Getting involved into this means that you also need to learn more about Quality of Service (QoS) which is a leverage advanced network management tactic that helps reduce latency.

Why is QoS needed?

When you need to make sure that your voice traffic consistently has the bandwidth it needs to function, the QoS comes in handy. Without it, the voice calls might be interrupted by network congestion or the service can become so degraded that you can’t use it. Besides, that other vital applications can be shut down by the VoIP traffic.

Make sure to use both VPN and QoS if you want to achieve or your goals regarding VoIP.

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