A system and a method are disclosed for a terminating device for a communications network which comprises an application program configured to utilize an availability status of a user; a communications interface configured to receive and/or transmit data and a presence engine. The presence engine is configured to provide the communications interface with data representative of an availability status of a user, and cause the communications interface to transmit the data directly to another terminating device. Alternatively, or additionally, the presence engine is configured to receive data representative of an availability status of the user directly from another terminating device, and make available data representative of the received availability status of a user to the application program.