If you encounter certain terms you are unfamiliar with when consulting your manual, this glossary might be useful.
Forum 500 series:
Forum 5000 series:
Download here the manual or software for your Forum communication system (PBX).
Please note: For older telephone exchanges than the Forum 500, 700, 5000 & 7000 family, we have stopped technical maintenance, support and billing. You can keep your old telephone exchange, but we will not carry out any repairs. In case of problems, contact us to switch to a more recent model.