Yeastar S100 VoIP PBX Phone System

The Yeastar S100 VoIP PBX phone system is a powerful, modular business communication platform designed to serve the dynamic needs of small and medium-sized enterprises. Supporting up to 200 users and 60 concurrent calls, the S100 delivers flexibility, reliability, and performance through its quad-core processor, Unified Communications features, and support for analog, ISDN, GSM/3G/4G, and VoIP networks. Built to grow with your business, it offers scalable expansion via modular add-ons and a robust App Center, all while maintaining cost-efficiency and simplified management.

Product Features

Scalable performance for growing businesses
Supports 100 users and 30 concurrent calls by default, expandable to 200 users and 60 concurrent calls using an optional D30 module, making it ideal for evolving SME communication needs.

Modular design with flexible interface options
Customize your deployment with support for up to 16 analog (FXS/FXO) ports, 16 ISDN BRI ports, 6 cellular (GSM/3G/4G) ports, and 2 E1/T1/PRI ports across two expansion boards. Supports VoIP trunking with up to 100 SIP/IAX2 trunks.

Unified Communications made easy
Built with UC features like voicemail, conferencing, IVR, and Linkus UC Clients for mobile and desktop devices. Ensure seamless communication across all devices and locations.

Reliable, secure, and high-performance architecture
Powered by a quad-core processor, the S100 offers high availability and efficiency. Security is ensured with built-in firewall, SRTP/TLS encryption, static NAT, and VPN support.

VoIP-ready with advanced codec support
Supports a broad range of audio and video codecs including G.711, G.722, G.729A, Speex, iLBC, and H.264 for flexible and high-quality voice and video calling.

Easy integration and administration
Web-based GUI for simplified setup and management. Easily integrate with IP phones, CRM platforms, SIP trunk providers, and third-party applications via the built-in App Center.

Cost-effective business communication
Lower total cost of ownership through IP-based calling, flexible deployment options, and minimal IT maintenance. Modular scalability eliminates the need for overinvestment.

Secure remote access and mobility
Supports DDNS, VPN, firewall, remote management, and Linkus mobile client, enabling secure remote working capabilities for distributed teams.

Product Specifications

• Users: 100 (expandable up to 200 with D30 module)
• Concurrent calls: 30 (expandable up to 60)
• Max analog ports: 16
• Max BRI ports: 16
• Max GSM/3G/4G cellular ports: 6
• Max E1/T1/J1 ports: 2
• VoIP trunks: up to 100
• VoIP protocols: SIP (RFC3261), IAX2
• Transport protocols: UDP, TCP, TLS, SRTP
• Voice codecs: G.711 (A-law/μ-law), G.722, G.726, G.729A, GSM, Speex, ADPCM, iLBC
• Video codecs: H.263, H.263P, H.264, MPEG4
• DTMF support: In-band, RFC4733, RFC2833, SIP INFO
• LAN interface: 1 × 10/100/1000 Mbps
• WAN interface: 1 × 10/100/1000 Mbps
• IP services: Static IP, DHCP, VPN, firewall, VLAN, DDNS, PPPoE, QoS, static NAT, STUN
• Voicemail storage: 10,000 minutes (expandable)
• Fax support: T.38 fax over IP
• External storage: SD card slot and 1 USB port
• App Center: Yes, for feature expansion
• Power supply: AC 100–240V, 50/60Hz, 1.8A max
• Power consumption: 5.5 – 41.2 W
• Dimensions: 44 × 25.2 × 4.4 cm
• Weight: 2.5 kg
• Mounting: 1U rack-mountable design