This section summarizes the basic principles of Voice over IP.
VOIP overview
Voice over Internet Protocol (VoIP) is a technology to convert voice communications into digital packets for delivering voice over a data network.
Voice Transport
Voice is transported over the transport protocol. The transport protocol is a communication protocol that establishes connections and transfers the data safely.
Latency and Jitter
The top network problems that cause poor voice quality are latency and jitter, and it is important to understand the two parameters to improve performance.
Quality of Service
Quality of Service (QoS) refers to the overall quality of the call that includes, clarity of the audio, reliability, and consistency.
IP Port Usage
This section list the ports that must be opened on the Voice Server and Engage Linux 5.x machine, so that the client and server can communicate with each other.
