A communication system, comprising a server computer device; multiple terminal devices (1, 3, 5) of different users, wherein each terminal device (1, 3, 5) is configured - to register with a social network, - to download an application or have the application stored in its memory, and - to run the application to communicate with the server computer device that hosts services offered by the social network, at least one conference appliance (7, 9) associated with a conference room configured to send one or more communications to the server computer device of the social network to register with the social network, wherein the at least one conference appliance (7, 9) is adapted to be joined to a conference communication session as a user by the social network, wherein the server computer device is configured to send a message to the at least one conference appliance (7, 9) of the conference room to invite the conference appliance to the conference session in response to receiving the instruction from a first terminal device from the multiple terminal devices (1, 3, 5) to join an applicable conference appliance (7, 9), and wherein the server computer device in response to receiving a communication from a terminal device (1, 3, 5) relating to the conference communication session, is configured to perform at least one of: communicate with the conference appliance (7, 9) to join that conference appliance to the conference communication session, communicate with a communication device to automatically schedule use of resources for the conference communication session based on information included in the communication from a terminal device (1, 3, 5) from the plurality of terminal devices (1, 3, 5), and send information to the terminal device (1, 3, 5) such that a conference appliance (7, 9) is identifiable to the terminal device (1, 3, 5) for the terminal device (1, 3, 5) to establish a connection with that conference appliance (7, 9) for use of at least one service for the conference communication session. a server computer device; multiple terminal devices (1, 3, 5) of different users, wherein each terminal device (1, 3, 5) is configured - to register with a social network, - to download an application or have the application stored in its memory, and - to run the application to communicate with the server computer device that hosts services offered by the social network, - to register with a social network, - to download an application or have the application stored in its memory, and - to run the application to communicate with the server computer device that hosts services offered by the social network, at least one conference appliance (7, 9) associated with a conference room configured to send one or more communications to the server computer device of the social network to register with the social network, wherein the at least one conference appliance (7, 9) is adapted to be joined to a conference communication session as a user by the social network, wherein the server computer device is configured to send a message to the at least one conference appliance (7, 9) of the conference room to invite the conference appliance to the conference session in response to receiving the instruction from a first terminal device from the multiple terminal devices (1, 3, 5) to join an applicable conference appliance (7, 9), and wherein the server computer device in response to receiving a communication from a terminal device (1, 3, 5) relating to the conference communication session, is configured to perform at least one of: communicate with the conference appliance (7, 9) to join that conference appliance to the conference communication session, communicate with a communication device to automatically schedule use of resources for the conference communication session based on information included in the communication from a terminal device (1, 3, 5) from the plurality of terminal devices (1, 3, 5), and send information to the terminal device (1, 3, 5) such that a conference appliance (7, 9) is identifiable to the terminal device (1, 3, 5) for the terminal device (1, 3, 5) to establish a connection with that conference appliance (7, 9) for use of at least one service for the conference communication session. communicate with the conference appliance (7, 9) to join that conference appliance to the conference communication session, communicate with a communication device to automatically schedule use of resources for the conference communication session based on information included in the communication from a terminal device (1, 3, 5) from the plurality of terminal devices (1, 3, 5), and send information to the terminal device (1, 3, 5) such that a conference appliance (7, 9) is identifiable to the terminal device (1, 3, 5) for the terminal device (1, 3, 5) to establish a connection with that conference appliance (7, 9) for use of at least one service for the conference communication session.