Yeastar S50

Yeastar S50 S-Series IP PBX

Overview

Searching for Yeastar S50 price Kenya? The Yeastar S50 is a compact, full-featured IP PBX built for small-to-midsize businesses that have outgrown a basic entry-level system. It supports up to 50 users and 25 concurrent calls, housed in a 19-inch, 1U rack-mountable chassis. As part of Yeastar’s S-Series, the S50 pairs industrial-grade quad-core processing with dual Gigabit Ethernet, so performance stays solid even as call volume grows. Net-Top supplies and configures genuine Yeastar S50 systems in Nairobi, and we include local technical support with every installation.

Connectivity & Expansion

The S50 offers flexible telephony expansion, so it adapts to almost any office setup. It supports up to 8 FXS/FXO/BRI ports and up to 4 GSM/3G/4G channels, along with 50 SIP trunks for VoIP connectivity. It also includes dual Gigabit Ethernet LAN and WAN ports, plus 8 RJ11 connectors with multicolor status LEDs for easy diagnostics. This means the S50 handles both analog lines and cellular connectivity without extra hardware.

Call Management & Features

The S50 includes a complete set of business telephony features, so your team gets everything a growing office needs. It offers call recording, automated attendant (IVR), call parking, ring groups, and queue management, plus 5,000 minutes of expandable voicemail storage. Staff can also stay connected through Linkus UC Clients on desktop, mobile, and web, while a Texas Instruments DSP chip delivers clear, reliable call audio throughout.

Reliability & Efficiency

Yeastar built the S50 on the proven Asterisk 13 platform, and it carries one of the highest MTBF (Mean Time Between Failures) ratings in the industry. This means fewer breakdowns and more consistent uptime for a business that depends on its phone system daily. The S50 also runs on low power, drawing just 2.1–18.5W, and comes with free lifetime software and firmware upgrades — so there are no hidden licensing costs later.