Embodiments of the present invention are directed to a method, system and apparatus for causing a communication client to join a media-over-packet communication session. The method comprises receiving from a communication client an indication indicative of a desire of the communication client to establish a communication session, the communication client being registered in association with a user account. The method further comprises determining if there exists at least one active communication session established with at least one other communication client registered in association with the user account. Responsive to determining that there does exist at least one active communication session, the method further comprises causing the communication client to join at least one of the at least one active communication session.