Restrict Agents to 8 Hours Calling Per Day

Hi,
I would like to know if it is possible to restrict every agent to dial only for 8 hours per day.
Kindly post your suggestions or help me how to achieve it.
Thank you.
I would like to know if it is possible to restrict every agent to dial only for 8 hours per day.
Kindly post your suggestions or help me how to achieve it.
Thank you.