In one embodiment of the present invention, the concepts similar to web cookies are applied to interactive communication sessions (ICS). In particular, an ICS cookie is created by a first communication client in association with a first ICS, and delivered to a second communication client. In association with a second ICS, the ICS cookie is returned to the first communication client from the second communication client. The second communication client is configured to operate in a specified manner based on the ICS cookie or information associated therewith. The ICS cookie may be created or stored at or on the behalf of a particular communication client, or may be made accessible and applicable to a group of communication clients or users associated therewith. Accordingly, a given user may use the same ICS cookie on different communication clients of different communication terminals. In some embodiments, different users can use the same ICS cookie.