What is a Dial Plan?
A Dial Plan is a specially crafted string (or script) that tell your ATA (VoIP adapter) how to interpret digits when dialing.
A correct (recommended) Dial Plan can speed your dialing (as the device will not have to wait for a timeout when dialing known sequences - such as 10 or 11 digit North American numbers).
Recommended Dial Plans
Bellow you will find a list of recommended dial plans.
Simply locate and use the Dial Plan for your (include any brackets that are shown):