[asterisk-users] Calculating R Factor and MOS metrics for VoIP

[mosbah.abdelkader]

Hello All,



MOS and R factor are the two QoS parameters used to estimate VoIP call
quality.


I have found that they are calculated from other metrics like jitter,
latency, packet loss,...etc. But, haven't found any formula or arithmetic
rule to calculate them.



Do you have an idea about their formulas or an open source that calculates
them. Is it possible to interpret them from wireshark.



Thanks.





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