www.ConceptDraw.com

, watcher node, voicemail preview, system mailbox, shared mailbox, remote mailbox, queue viewer, personal archive mailbox, offline address book, move request, messages queued, global address list, email read, email, discovery search mailbox, disconnected mailbox, communications, chat room, chat, audio conferencing application, SMTP connector, IM, speech bubble,

Design elements - Azure architecture - Communications