VOIP PBX
S-Series VoIP PBX Module
Yeastar

Yeastar S-Series VoIP PBX provides flexible telephony interfaces combination while allowing for future scalability with unique modular design. Besides the built-in rich SIP capabilities, S-Series lets you decide what types of extensions and physical trunks you need in your telephone system. When your business grows, adding more users and concurrent calls is also possible with S-Series.
S20 VoIP PBX
Yeastar

S20 is a compact and full-feature IP-PBX with advanced communication features to create effective business communication experience for small business, connecting to traditional lines, VoIP lines, and cellular networks for up to 20 users.
S50 VoIP PBX
Yeastar

S50 is a compact and full-featured IP-PBX that comes in a 19’’ 1U rack-mountable chassis. The advanced module-based S50 is capable of supporting ISDN BRI, PSTN, and GSM connectivity, providing VoIP communications for up to 50 users.
S100 VoIP PBX
Yeastar

S100 is a cost-effective business communication system with a base configuration of 100 users and 30 concurrent calls and can scale up to 200 users and 60 concurrent calls.
S300 VoIP PBX
Yeastar

S300 delivers enterprise-class IP telephony service with a base configuration of 300 users and 60 concurrent calls and can scale up to 500 users and 120 concurrent calls.