Managing access to a conference call includes obtaining, via a calendar application, a list of participants, the list of participants includes a number of participants to be included in a conference call, identifying, from the list of participants, a first portion of the participants that have personal passcodes, generating guest passcodes for a second portion of the participants associated with the list of participants that do not have the personal passcodes, and permitting, based on the personal passcodes or the guest passcodes, each of the participants to participate in the conference call.