Conference call alerting is provided. A first device of a plurality of telecommunications devices initiates a telecommunications link between the first device and a second device of the plurality of telecommunications devices. The first device receives an interaction that includes a communications address of a third device of the plurality of telecommunications devices. The telecommunications link is modified to include the third device. In response to the third device joining the telecommunications link, the first device issues an alert to the second device and the third device, wherein the alert indicates that the third device has joined the telecommunications link.