Business firms sometimes require toll free numbers to facilitate communications with clients, suppliers and other publics. Phone companies typically charge clients with a fixed monthly service fee for providing an 800 number. The 800 number gets forwarded to a standard local number. Special equipment or additional cables are not needed. The local exchange firm checks the carrier that transmits the call. This inter-exchange delivery service (long distance) picks up this call, facilitates routing, sets up the call record for billing purposes and transfers the call to your office. There are no charges to the caller.
It is sometimes cost-effective