A housing unit for attaching a telephone switch cradle peripheral to an integrated display computer, and an integrated display computer with a telephone switch cradle peripheral attached thereto. Telephone switch cradle componentry is enclosed in a peripheral housing unit that is attached to a side of the computer. The housing unit comprises an end cap, shroud, and holster for holding telephone switch cradle componentry. The housing unit accepts a handset. In addition to accessing information using the computer's touch screen, users may use the handset to interact with the computer or with a person who can provide the user with additional information of interest. Additional information requested via the handset may be accessible using the computer's touch screen or the handset. A single network connection at the computer supports data and voice communications so that information from remote sources and software operational at the computer distinguishes voice and data communications.