A push to talk (PTT) over cellular (PoC) wireless communication system (300) includes a media server (318), a push to commute (PTC) server (310) and a subscription database (328). The media server (318) identifies a contact having a uniform resource identifier (URI), the contact identifying location informative media. The PTC server (310) is coupled to the media server (318) and includes a contact/node database (316) for receiving and storing the contact therein linked to a location corresponding to the location informative media of the contact and a contact provisioner (320) for creating a plurality of nodes for the contact, the plurality of nodes associated with the contact and including XML data management information for each of a name, a URI, a contact type, a media type, and a URI of the PTC server (310) wherein the contact is stored. The subscription database (328) receives the contact and the associated plurality of nodes from the contact provisioner (320) and stores them therein, enabling calls to be made to the contact.