S> An organiSation that provideS a Service by telephone, Such aS an 0800 (toll free) number. The Service provider buyS the ServiceS of a telecom Supplier (e.g. BT) but advertiSeS the Service and dealS with the callS itSelf. IncreaSingly, Service providerS are now alSo managing their advanced call-routing. (1996-08-27)