Methods, products, apparatuses, and systems may facilitate a conference operation. The conference operation may include conference chaining, conference switching, conference modification, conference announcement, and so on. A collection of authentication data for a plurality of distinct conferences may be performed to chain the conferences. Switching among the distinct conference may be performed in response to a switch key code. The switch key code may include a general key code applicable to each of the conferences and/or a specific key code application to a specific conference.