Systems and methods for audio conferencing are described. At least one embodiment includes an audio-conferencing system comprising a web server configured to allow a host to select one or more individuals to receive invitations to participate in a conference call, the web server further configured to receive parameters associated with the conference call; an e-mail module configured to send e-mails to the one or more selected individuals, the e-mails configured to present an invitation to the one or more selected individuals to participate in the conference call, and wherein the e-mails include a link allowing the one or more individuals to click the link to accept the invitations to become participants; and a conference call server configured to receive a host identification from the host, the conference call server configured to receive a command from the web server to place calls to the one or more participants to initiate a conference call between the host and the participants.