VoIP Service Resilience With Virtual Router Redundancy Protocol [KEEPALIVED for High Availability]

 building a reliable VoIP infrastructure involves several critical components: SIP proxies, media servers, databases, monitoring, and more. These elements work together to provide voice communication services like IVR, voicemail, or conferences

Now, here's the challenge: ensuring uninterrupted service when one of these servers encounters an issue.

Keepalived is an invaluable tool that offers IP failover and load-balancing capabilities. With it, you can provide a single virtual IP address for your SIP trunk providers, regardless of whether your primary Kamailio server is up or down.

In part 1. We will cover the basics and how Keepalived and VRRP protocol can help to implement a HA VoIP Infrastructure.


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