Which three features of the IMAP are available on a Cisco Unity Express module?()
A、Download e-mail messages as attachments to voice-mail messages.
B、Access voice-mail messages from general delivery mailboxes (GDM)s.
C、Access voice-mail messages over the network or download them selectively.
D、Delete voice-mail messages or mark them as read or unread in a manner similar to e-mail messages.
E、View instant messages and voice-mail messages from a single integrated e-mail type client using IMAP.
F、Play voice-mail locally using standard media players without requiring a connection to Cisco Unity Express.