Typical Applications PSTN and VoIP Voicemail (from a single line answering machine to hundreds of voice mailboxes). In-coming caller ID logger or display. Call attendant (using the menu call transfer features) to transfer and direct calls.
Telephone information lines or AudioText type systems. Automated telephone order taking. Automated telephone surveys (using the number entry features linked to a database). Credit card telephone account payment.
Dial in computer control or information (eg. Dial in to test security alarm or to restart server). Many more telephone related applications. Features Multiple telephone line support (1 - 64 lines simultaneously).