Downloading and reviewing firmware for the NEC SL1000 Smart Communication Server involves navigating a system that has largely been succeeded by the NEC SL2100
Before attempting an upgrade, ensure you have the following:
has reached , meaning official firmware development and direct manufacturer support have concluded. Firmware Access and Downloads
The SL1000 was designed as a cost-effective, IP-enabled hybrid PABX for small to medium enterprises. Ease of Upgrading (3/5)
: You may need a valid dealer login or maintenance contract to download the latest "Main Software". 2. Pre-Upgrade Checklist