Direct user feedback
Direct user feedback is really the only way to know if you're truly providing a good quality communication service.
https://www.nojitter.com/post/240173758/sophisticated-skype-good-mos-does-not-make-a-good-call
Mean opinion score (MOS) is a measure used in the domain of Quality of Experience and telecommunications engineering, representing overall quality of a stimulus or system.
https://en.wikipedia.org/wiki/Mean_opinion_score
- User opt-in after each call
- Can be disabled to never show up after a call
What do you think?
Thank you