S20 VoIP PBX 

Yeastar S20 VoIP PBX is a stand-alone telephone system offering an unrivalled range of features to small business with less than 20 users. It supports 10 concurrent calls and various combinations of telephony ports including FXS, PSTN, ISDN BRI, and GSM/3G/4G.

Flexible Modular Design

With Yeastar S-Series, all the telephony interfaces are modular and customizable. Besides the built-in rich SIP capabilities, S20 support 2 onboard module slots to custom FXS, FXO, ISDN BRI, GSM/3G/4G.

- Fast installations with advanced auto-configuration, 

  auto-detect and plug and play capabilities. 

- Control your phone system with intuitive Web GUI. 

- Instantly alert through email, SMS, and phone call. 

- Managed easily from PC, phone, or any Internet-enabled device.

Bulk IP Phones Auto Provisioning

Saving time by configuring mainstream IP phones in bulk, including user information, local phone book, firmware and so on. 

New Features+ Existing Rich Features ( No License Fee)

Extending Features with Yeastar App Center in S-Series VoIP PBX

Independent from the main framework of the S-Series VoIP PBX system, App Center allows you to easily install, upgrade and manage all apps on PBX with a simple click.

Yeastar Linkus Mobile Client - Your Free Mobile Extensions

Coordinated with S-Series VoIP PBX, the free Linkus Mobile Client makes your Android or iOS mobile phone an office extension and links you and your colleagues and customers anywhere anytime. 

Superior Customer Services

- 2 Years Warranty 
- Free firmware upgrade for life
- 24 hours Technical support through phone calls, emails, skype, and remote assistance
- Various training, including sales and technical training like online Webinar
- Customizable products with OEM/ODM service

Delivery

- Within 2-3 days after the payment
- Support any delivery methods as you require, such as:

Combine S-Series With Existing Traditional PBX

Multi-Site & Branch Offices

VoIP Solution for SMBs

About Yeastar

Yeastar specializes in the developing and manufacturing of IP-PBX and VoIP gateways, and is committed to the distribution of new generation technology products in the field of enterprise communications. In the mean time, Yeastar provides the cost-efficient solutions for ITSP to develop the enterprises ultimate purchase market.
Yeastar designs, deploys and delivers innovative IP solutions to worldwide applications and maintains the long-term stability of products to greatly benefit users. Yeastar is consistently recognized in VoIP industry for the innovative and high-performance professional networking products.

Yeastar factory applies SMT craft with strict quality control is consistent with ISO 9001 Quality Accreditation.

Yeastar in the World

Yeastar attends professional exhibitions together with distributors every year, such as, CeBIT, ITEXPO EAST, GITEX in Dubai, Convergence India, Elastix World, BroadSoft Connections, CommunicAsia...ect.