What is the purpose of the VOIP Quality Test and how can it help me?
The ISPgeeks VOIP Test is a UDP connection test intended to help establish whether a network connection is good enough to maintain a quality Voice-over-IP conversation. The test measures the critical metrics of Jitter and packet loss including packet loss distribution and packet discards which impact the performance and quality of VoIP and other UDP based applications.
What tests are performed during the testing process?
Measures UDP jitter
Jitter occurs when data packets do not arrive at the destination in the same order they were sent. This test simulates voice traffic over a UDP connection and measures the amount of jitter occurring, and reports the associated level of voice call quality.
Measures video and audio packet loss
When data packets are lost or discarded it negatively impacts video quality. This test measures the amount of lost and discarded packets and reports the associated level of sound quality.
Reports the number of supported VoIP lines
This test also measures the bandwidth capacity of a connection and reports the number VoIP lines the connection can support.
Reports the Mean Opinion Score (MOS)
MOS is a numeric measure of the sound quality of a communication connection. Although the score is subjective it provides a widely-used method to rate the quality of voice communication. The score is normally between 1 and 5 with 5 being the best. In this test, a VoIP simulation that drops below 3.5 is considered poor quality, a measure of 4.2-4.5 is considered good quality.