8 AM - 5 PM CST M-F

click to zoom in

Yeastar S50 50 Users 25 Concurrent Calls Modular IP PBX

No reviews yet Write a Review
Usually Ships Same Business Day
Calculated at Checkout
3 Years

Have a question?

  • Industry Best Pricing

    Quantity discounts available

  • Friendly Associates

    Pre-sales product and solution advice

  • Expert Tech Support

    Add-on tech support plans available

  • Super Fast Delivery

    Same day shipping on most orders

Yeastar S50 50 Users 25 Concurrent Calls Modular IP PBX


Yeastar S50 gives SMBs the opportunity to get enterprise-grade VoIP communications with a modular IP PBX that supports 50 users and 25 concurrent calls. The S50 has four on-board module slots, which means that you can integrate four of the following modules:

  • S2 Module: 2 FXS Ports
  • O2 Module: 2 FXO Ports
  • SO Module: 1 FXS Port & 1 FXO Port
  • B2 Module: 2 BRI Ports
  • GSM Module: 1 GSM Channel
  • 3G Module: 1 WCDMA Channel
  • 4G LTE Module: 1 3G/4G Voice Call & Data

Yeastar S50 is a 1U rack-mountable IP PBX that brings full telephony control to small-to-midsize businesses. Easy to install, it gives you all the features you need: conferencing, mobile extensions, black/whitelisting, automated attendant, and many more. Powered by industrial-grade Freescale Quad Core processors, the S50 has dual Gigabit Ethernet ports and eight RJ11 with multicolor status LEDs. The S50 provides incredible sound quality using a Texas Instruments DSP (digital signal processor). Secure your communications using the TLS and SRTP transport protocols. Integrate mobile users with the Linkus Mobile Client for Android and iOS. The system is easy to manage from anywhere you have the internet using the online Configuration Panel.

Yeastar S50 IP PBX Quick Specs:

  • Communications Protocols: SIP, IAX2
  • Module Slots: 4
  • Physical Interfaces:
    • 1x WAN Gigabit Ethernet Port
    • 1x LAN Gigabit Ethernet Port
    • 1x SD Card Slot
    • 4x Antenna Sockets
  • Users: 50
  • Concurrent Calls: 25
  • Maximum Ports with Modules (Not Included):
    • FXS Ports: 8
    • FXO/BRI Ports: 8
    • GSM/3G/4G Channels: 4
    • 4G Channels (Data): 1
    • E1/T1/PRI Ports: 0
  • VoIP Trunks: 50
  • Audio Codecs: G.711u/a, G.722, G.726, G.729A, GSM, Speex, ADPCM, iLBC
  • Video Codecs: H.263, H.263P, H.264, MPEG4
  • Fax Over IP: T.38
  • Mounting: 1U rack

Yeastar S50 50 User 25 Concurrent Calls IP Phone System Package Contents:

  • Yeastar S50 IP PBX
  • Power Cord
  • Ethernet Cable
  • 2x Rack Mounting Kits
  • Grounding Stud & Nut
  • 4x Rubber Feet
  • Warranty Card
  • Quick Installation Guide

3 Years