Automatic number announcement circuit

An Automatic Number Announcement Circuit (ANAC) is a telecommunication system used primarily in telephone networks to provide callers with automated announcements of their calling or service information. ANAC systems can typically announce the telephone numbers of incoming calls or confirm the number being dialed by a caller. ### Key Features and Functions: 1. **Caller Identification**: ANAC can announce the caller's phone number when a call comes in, enabling the recipient to verify who is calling before answering.