A system is disclosed that provides functionality for users to manage and use chat channels. This system enables admin users of the chat channel to manage channel lines, and options for channel line members to manage chat line presentity status such as hold and resume and apply controls such as transfer and forward or bridge the chat with the PSTN network. The chat channels provide a range of chat communications modes including intercom, inbound, shout-down, open, conference, and direct messaging. The intercom mode provides secure group chat for the channel line members, and the inbound mode allows non channel members to initiate secure group chat with the channel line members.