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Yeastar Certified Partner

Yeastar certified partner


Yeastar specializes in the development and manufacture of VoIP PBX systems and VoIP gateways and has established a worldwide presence with a global partner network and over 100,000 customers. Yeastar products are consistently recognized for their high performance and innovation.

S-Series VoIP PBX

Designed for small and medium sized enterprises to increase productivity and reduce costs, Yeastar S-Series is an easy to use and feature-rich VoIP PBX system capable of meeting the broadest communications needs.

S-Series VoIP PBX



20 Users
Max 12 FXS Extensions
8 Concurrent Calls



20 Users
Max 4 FXS Extensions
10 Concurrent Calls



50 Users
Max 8 FXS Extensions
25 Concurrent Calls


Max 200 Users
Max 16 FXS Extensions
Max 60 Concurrent Calls


Max 500 Users
Max 24 FXS Extensions
Max 120 Concurrent Calls

Scalable Modular Design

Scalable Modular Design

S-Series provides flexible telephony interfaces combination with support of FXS, FXO, ISDN BRI, E1/T1/PRI, GSM, 3G, 4G LTE, and allows system capacity expansion with unique modular design.

App Center

Powerful Capability with App Center

Independent from the main framework of S-Series, App Center delivers lots of add-on Apps to enhance communications experience, such as Auto Provisioning App, LDAP Sever App, Hotel App, and so on.

Easy Configuration

Easy Configuration and Management

Setup only takes minutes with auto-configuration and plug-and-play capabilities. S-Series also offers an intuitive Web GUI, accessible from PC, mobile phone, and other internet-enabled device.

Linkus Mobile Client

Linkus Mobile Client

Linkus Mobile Client makes iOS or Android mobile phones office extensions for off-site workers. Moreover, with VoIP calls made through S-Series PBX, Linkus helps cut voice charges greatly.

Yeastar K2 – Large Capacity IP-PBX

Designed for large enterprises, Yeastar K2 is able to meet the needs of businesses with up to 2000 users and deliver rapid deployment, reliable performance, and rich features. In particular, K2 allows multi-sites and mobile workers all connected in a single system.

Yeastar K2 – Large Capacity IP-PBX

Yeastar VoIP Gateways

Yeastar VoIP Gateways bridge the gap between FXS, FXO, PRI, BRI, GSM, WCDMA, and IP networks. Featuring carrier-grade functionality and easy configuration, they are ideal for preserving investment on legacy telephony while reaping the benefits of VoIP.

Analog VoIP Gateway

Analog VoIP Gateway

1 to 32 Ports FXS VoIP Gateway
4 to 16 Ports FXO VoIP Gateway

VoIP GSM/3G/4G Gateway

VoIP GSM/3G/4G Gateway

GSM or WCDMA or 4G LTE to VoIP
1 to 16 Channels

ISDN VoIP Gateway

ISDN VoIP Gateway

1 or 2 E1/T1/PRI Ports
2 or 4 BRI Ports

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