Patent ID: 8433045

Claim:
A method of operating a computer telephony controller in a computer telephony system comprising a plurality of communications terminals, wherein each communications terminal has an identifier, the method comprising: generating in the computer telephony controller a key and providing the key to a second system external to the computer telephony system and accessible by a user; recording in the computer telephony controller a mapping linking the key and the identifier of a first communications terminal, wherein the first communications terminal is associated with the user; and on a request from the user, changing the mapping so as to link the key with the identifier of a second communications terminal, so that the user is able to exercise control over different selected communications terminals at different times via the second system by receiving a message from the second system in which the message comprises a command issued by the user and the key, reading the key received in the message, retrieving the identifier linked to the received key, and forwarding the command and the identifier to a communications controller for controlling operation of the selected communications terminal.