Since no scheduling is needed. Simply provide your participants with the date and time (include time zone) that you plan to host your conference call and instructions to use the conference dial-in number and 6 digit conference code when prompted for it. That's it!
You just need to be sure to call in at the same time, enter the 6 digit conference code and 4 digit host code too.
Also, keep in mind that your information remains the same and ready to be used anytime.