(EN) A self-service terminal (SST)14a comprises a user interface 22 having means such as a card reader for identifying a user, means such as the card reader for obtaining contact information for a communication device such as a telephone associated with a user and contact means 17 for establishing a link with the communication device 21 to allow a transaction to be entered thereby. The means for obtaining contact information may have means for retrieving data relating to a telephone number to be called by the terminal 14a to contact the telephone. The contact means may contact the communication device directly. The contact means may request a remote transceiver to establish a link with the communication device. The terminal 14a may be an automated teller machine (ATM). A method of operating a self-service terminal and a self-service terminal system are also disclosed. The invention can be used by disabled people and trusted third parties such as a friend or relative of an account holder.