Yeastar S50 VoIP PBX Phone System

The Yeastar S50 is a compact, rack-mountable VoIP PBX system designed for small to medium-sized businesses, offering enterprise-grade communication features without expensive licensing. Built on a high-performance Freescale ARM A9 quad-core processor and Texas Instruments DSP, the S50 provides stable, flexible telephony for up to 50 users. With support for modular interface expansions and integrated unified communications through the Linkus UC Client, it’s ideal for businesses that require both flexibility and scalability.

Product Features

Unified Communications

Integrates with the Linkus UC Client to let users access office extensions via mobile, desktop, or web browsers.

Advanced Call Handling

Includes built-in IVR, call queues, call recording, conferencing for up to 25 participants, and fax-to-email capabilities.

App Center

Provides an independent framework to add extra functionalities such as Hotel App, Billing, and CRM integration.

Security

Features a built-in firewall, TLS and SRTP encryption, and DDoS protection to safeguard communications.

Modular Design

Supports four onboard module slots for FXS, FXO, ISDN BRI, or GSM/3G/4G modules to meet specific telephony needs.

Product Specifications

• User capacity: 50 users
• Concurrent calls: 25 simultaneous calls
• VoIP trunks: 50 SIP trunks
• Storage: 5,000 minutes voicemail; SD card slot for call recording
• Processor: Freescale ARM A9 quad-core
• Memory: 2GB RAM / 8GB onboard flash
• Ethernet: 1 × 10/100/1000 Mbps LAN, 1 × 10/100/1000 Mbps WAN
• Modular slots: 4 onboard module slots
• Module options: O2 (2 FXO), S2 (2 FXS), SO (1 FXS + 1 FXO), B2 (2 BRI), GSM/3G/4G (1 channel)
• Communications protocols: SIP (RFC3261), IAX2
• Transport protocols: UDP, TCP, TLS, SRTP
• Audio codecs: G.711 (a-law/u-law), G.722 (HD), G.726, G.729A, GSM, Speex, iLBC
• Video codecs: H.263, H.263P, H.264, MPEG4
• DTMF support: In-band, RFC4733, RFC2833, SIP INFO
• IP services: Static IP, DHCP, VPN (OpenVPN, L2TP), Firewall, VLAN, DDNS, QoS
• Power supply: Built-in 100–240V AC (Meanwell)
• Power consumption: 2.1W – 18.5W
• Protection: Lightning protection on analog ports (ITU-T K.20/45/21)
• Environment: Fanless, operating temperature 0°C to 40°C