This service is commonly known as toll free service and provides an ideal opportunity for business promotion.

By subscribing to this service Business, Commerce, Industry and Trade can advertise and sell their products and services on telephone - telemarketing is the fastest means of improving revenues. Those who subscribe to this service are called FPH subscribers and are allotted FPH numbers. One FPH number can have multiple telephone numbers with hunting facility. The service can be provided on existing telephone connections.

Reverse charging : The service provides for called party charging (reverse charging) i.e. caller can call the FPH number free of charge.

Call Forwarding : The service has the facility of re-routing of incoming calls to an alternate number if FPH subscriber's line is busy or there is no answer.

Time dependent routing : The service also provides time dependent routing which enables the FPH subscriber with one FPH number to have several telephone installations in the network and specify flexible routing or different call treatments depending upon time, day, date and holiday.

Origin dependent routing : It also provides location dependent routing whereby FPH subscribers can have several installations (or several directory numbers) and can specify flexible routing depending upon the area of origination of incoming calls.

Originating call screening : The facility is available from Delhi & Mumbai only. In case the subscriber wishes to have calls from Mumbai and terminated in Delhi or vice-versa, he has to pay STD charges for such calls. This facility can be provided on a written request from the subscriber.