IMS office business system

The utility model discloses an IMS office business system which can provide various business modes and realize business intercommunication between diversified enterprise terminals and comprises a business function module and an access terminal module. The business function module comprises an enterprise address book module, a multi-element function module and a business integration module; the access terminal module comprises a hardware access end and a software access end; the enterprise address book module is in communication connection with the hardware access end; the multi-functional module is in communication connection with the hardware access end through a multimedia subsystem core network; the business integration module is in communication connection with the enterprise address book module and the multi-functional module and is used for performing function integration on the enterprise address book module and the multi-functional module; and the service integration module isin communication connecti