NEC DT300 Phone Manual
This guide explains how to operate DT300/DT700 Series terminals.
NEC DT300 Phone System ManualNEC SL1100 Phone System Manual
Thank you for purchasing NEC SL1100 System
Due to the flexibility built into the system, your Dialing Codes and Feature Capacities, may differ from those in this guide.
NEC SL1100 Phone System Manual