QoS: the parts people skip
Marking traffic achieves nothing on its own. The queue is where the work happens.
Writing
QoS
Why voice over satellite needs different thinking
The usual voice quality rules assume terrestrial latency. Over satellite, half of them do not apply.
The difference between a slow network and a busy one
Both feel identical to users. They have different causes and different fixes.
Your call quality problem is not a voice problem
Complaints after a UC rollout arrive pointed at the phone system. The cause is usually a trust boundary, a queue or a routing change three hops away.