A binding position of recording sheets recorded with data on the front and back sides thereof and a rotation angle of data to be recorded are controlled to provide copies which are recorded with data on both sides in proper directions and are easy to be discriminated after the binding. A plurality of small spaced structures is formed on or in the surface with their distal ends in contact with the wire harness, duct or other conduit. The method may also include managing, via an additional SIP services module using the third party SIP stack, a set of additional services associated with the session.