- 300 Users (expandable to 500)
- 60 Concurrent Calls (expandable to 120)
- Up to 24 FXS/FXO/BRI Ports
- Up to 6 GSM/CDMA/3G/4G Channels
- Up to 3 E1/T1/PRI Ports
Security Protected from Internet hackers, 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 assure 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, S300 allow 3 Expansion Boards and Telephony Modules to add telephony interfaces.
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
Everything in App Center
An easy access to a wealth of apps to extend features for your PBX and powers your communication.