- 20 Users
- 10 Concurrent Calls
- Up to 4 FXS/FXO/BRI Ports
- Up to 1 GSM/3G/4G Channel
Security: protected from Internet hackers and viruses with built-in firewall, TLS, SRTP, and more.
Performance: powered by Freescale ARM A9 industrial grade quad-core CPU processors.
Future-proof: free lifetime software /firmware upgrade assures reliability over the years.
Easy to use : save time with streamlined installation. Manage PBX on the intuitive web GUI.
Phone provisioning: automatically provision phones from Cisco, Yealink, Polycom, and more.
Flexible Modular Design
With Yeastar S-Series, all the telephony interfaces are modular and customizable, S20 support 2 onboard module slots to custom FXS, FXO, ISDN BRI, GSM/3G/4G.
B2 Module O2 Module
SO Module S2 Module
GSM Module 3G Module 4G Module
Linkus Mobile Client.
Stay Connected anywhere anytime.
Coordinated with S-Series VoIP PBX, Linkus Mobile Client
makes your Android or iOS mobile phone an office extension.
makes your Android or iOS mobile phone an office extension.
App center. Easy access to a wealth of PBX features.
