A call processor (49) contains a service node/intelligent peripheral service creation environment (58) to create a service logic table (56) to store call processing instructions. A service logic executive (54) accesses the service logic table (56) and executes the call processing instructions in response to a received data package. Call processor (49) can operate in slave mode to provide call processing resources to a service control point or in autonomous mode to deliver a specific calling service, such as voice mail.