US Patent 8997007 Indicating availability for participation in communication session

In general, this disclosure describes techniques for a for indicating user availability comprising providing for display at a first client device, graphical representations associated with one or more users available to participate in a synchronous communication session that enables communication between different client devices, receiving, from the first client device, a selection of the graphical representations to engage with at least one second client device corresponding to the selected graphical representations in the synchronous communication session, and responsive to receiving the selection of the graphical representations, coupling the first client device to the synchronous communication session, wherein coupling the first client device to the synchronous communication session allows the first client device to communicate with at least the second client device associated with the at least one selected graphical representations, wherein at least the second client device is coupled to the synchronous communication session.