14. The method of claim 13 , further comprising connecting the invitee to the session based on an invitee-selected communications mode.
13. A computer-implemented method of managing a communications session, performed by a computer system executing machine-readable instructions, the method comprising acts of receiving an invitation to participate in a conferencing session over multiple disparate communications modes; checking whether state of the conferencing session is indicated as existent; and automatically joining an invitee into the conferencing session in response to the invitation if the state indicates that the conferencing session exists.