NEC SL2100 Quick Install Manual page 26

Configure the SL2100
Select the Service Code Range

Leave at country default

Original range 7xx, 8xx

Add a Star *7xx, *8xx (use this range if you want extension numbers beginning 7xx or 8xx)
Select the Trunk Access code

Leave at country default

Trunk access code = 0

Trunk access code = 9
Select the Programmable Function Key Assignmant for all system phones

Select from 1 to 12 lines (these are trunks connected to the SL2100)

Delete all keys (you can setup your own key assignment later with PCPro)

Select Park Hold keys 1~4
Quick Install Guide – SL2100 with ISDN PRI Trunks rev 1.1
26