You must have EAS to use one per skill MCH. An agent with no ACD calls for the skill is automatically interrupted with a single ACD call from this skill under the same conditions listed for one forced.

If a one per skill call is active or held, the agent does not automatically receive additional calls from the skill. However, the agent can request another ACD call from a one per skill in the usual way.

If an agent with multiple skills is active on an ACD call for a one per skill group, the agent can be forced to receive an ACD call for one of the other skills if those skills are many forced or one per skill MCH.

Use one per skill MCH when calls from one skill are of a higher priority than other ACD calls.