One of the most essential aspects of Voice over Internet Protocol (VoIP) systems you should consider is Quality of Service, or QoS. To make sure your provider will deliver optimal service with minimal downtime, ask them these questions about their QoS.
What is QoS?
This performance is usually measured by looking at objective statistics like bandwidth usage, transmission delay, call jitter, error rates, etc.
Why Quality of Service is crucial for VoIP
