An exemplary embodiment of an apparatus for performing push-to-talk communications over a wireless network comprises a push-to-talk (PTT) server including an application server (AS) and a media resource function processor (MRFP) configured to communicate with user equipment over a wireless link. The application server includes a media resource function controller (MRFC), and the MRFP is configured to provide floor control in a push-to-talk session. In one aspect of the invention, a plurality of handsets if provided where each handset is capable of communicating with an application server and each handset includes a floor request switch configured to selectively generate a floor request signal. The MFRP is configured to receive a floor request signal and to selectively grant floor control to a requesting user. Advantages of the invention include an efficient technique for providing push-to-talk communications.