How to use and operate your NEC XN120 telephone system. Some of these instructions apply to all NEC XN120 telephone systems; some are dependent on how your system has been configured for your particular business requirements.
- Telephone system
- Used parts only
The NEC XN120 telephone system is no longer in production. Used and refurbished parts are still reasonably easy to obtain, therefore system upgrade and repair is usually still possible. Used systems can be obtained as a cost-effective alternative to completely new systems.
Problems with the NEC XN120 telephone system that will cause it either to stop working completely or to cause severe problems with its operation.
Many telephone systems show the date and time on the display of system phones. This article explains how to set the date and time on NEC XN120 telephone systems.