A computer-implemented system and method for delivering group messages is provided. Users that are signed-on to and signed-off from one or more discussion groups are tracked. A voice message is received from one of the users signed-on to one of the discussion groups. A list of users associated with the discussion group is obtained and a sublist of signed-on users including those users from the list that are signed-on to the discussion group is built. The voice message is provided to the signed-on users of the discussion group and a copy of the voice message is stored for later access by the users in the discussion group that are signed-off.