1. A computer-implemented method comprising: receiving a first request of a dial-in user to join a communication session from a telephonic device; presenting the dial-in user with an option to opt-out of presenting voice data for use in identifying a name associated with the dial-in user; if the dial-in user does not opt-out of presenting voice data, receiving voice data from the telephonic device in response to an audio prompt requesting a voice input from the dial-in user; interpreting the voice data to identify a particular name associated with the dial-in user; and presenting the particular name in a graphical user interface associated with the communication session, the presentation of the particular name identifying that the dial-in user has joined the communication session.