A multi-functional support assembly is provided, including a fixed base, a locking element, a support element and a plurality of leg elements. A file sending UE sends a conference identification of the conference to the file receiving UE through a conference server; and sends the file to the file receiving UE through the conference server. The pivoting members are securely attached to the base brackets on the base. The subsequent requests can each include a Session Initiation Protocol message including a message identifier portion having at least a first predetermined information field and a second predetermined information field.