Up to 12 FXS Extensions
Up to 4 CO/BRI lines
8 VoIP Users
8 Concurrent Calls
2 GSM/WCDMA/4G LTE Channels
2 module slots for internal extension
- 2 module slots for external lines
S412 is a flexible and modular VoIP PBX that provides productivity-enhancing communication platform with a compact and powerful analogue and VoIP capable system for small business. Protected from Internet hackers, viruses with a built-in firewall, TLS, SRTP, and more. Automatically provision phones from Yealink, Snom and more.