The present invention discloses a corporation switchboard platform and a call processing method. The corporation switchboard platform comprises a corporation switchboard service control point, a corporation switchboard service switching point and an intelligent peripheral, wherein the corporation switchboard service control point comprises: a basic call processing module for determining whether the capability of an existing network switching device can support a call triggered by a service switching point of a switching network and sending the call to an enhanced service capability module when determining that the capability of the existing network switching device cannot support the call; and an enhanced service capability module for controlling the intelligent peripheral and the corporation switchboard service switching point to complete a service related to the call. Compared with a corporation switchboard system based on an intelligent platform technology, the technical solution of the present invention provides a higher system capacity and an improved system capability and reduces the rerouting overhead of network.