An envoy device for performing transactions with a further device in proximity to the envoy device, the envoy device comprising: a first communication device configured to communicate with the further device that is located within a predetermined distance of the envoy device using a local short range communication link; at least one further communication device configured to communicate with the further device using at least one longer range communication link. The envoy device is configured to respond to detecting the further device within the predetermined distance of the envoy device to: establish communication with the further device using the local short range communication link; receive information from the further device regarding any further communication links that the further device has access to; transmit to the further device information regarding the at least one longer range communication link; and to commence a transaction with the further device using the local short range communication link.