Nitsuko IP Phone Manuals

The Nitsuko ONYX VSi Feature handbook explains the essentials: assembly instructions, periodic checks and safety warnings.

Learn how to use your Nitsuko ONYX: this Feature handbook describes model information, settings and adjustments, and also cleaning instructions.

Nitsuko ONYX Operation & user’s manual. The document runs 4 pages and addresses what is in the box, long-term storage and warranty terms. MESSAGE WAITING After calling a busy or no-answer extension: Dial M + hang up Answer a Message (Message Waiting LED…

Looking up product description, step-by-step operation, together with safety warnings? The Nitsuko ONYX VSi Quick reference manual is a good place to start.

On this page: Nitsuko ONYX VSi Quick reference manual, which explains what is in the box, daily use recommendations and recycling notes.