Helping to share the web since 1996
The SL2100 Communications System works at a number of levels: a cost-effective VoIP enabled phone system, an easily expanded solution with entry-level unified communications or a reliable TDM based PBX with excellent upgrade potential.
https://necsl2100phonesystemaustralia.blogspot.com/2019/01/nec-sl2100-business-phone-system.html
Upgrade options
