Cost varies by telephone company.
In some cases there may be a small set up fee charged by the local telephone company for the Call Forward Busy feature. While all efforts have been made to ensure information provided in this service comparison chart is accurate, please contact your local service provider for current market rates in your area. We make no claims to the accuracy of this data, rapidly changing market conditions may render this comparison obsolete. IIA is not responsible for the use of this data in any way, manner or form.