All New S-Series

The Future of VoIP BPX


Easy to Install

Simple to Manage

Built to Perform

Scalable Modular Design

  • Telephony Modules
    FXS extensions module, FXO module, PSTN fallback module, BRI module, and GSM/3G module Expansion Boards.
  • Expansion Boards
    Supports 4 modules in one EX08 Expansion Board. Supports 1 E1/T1/PRI port in one EX30 Expansion Board.
  • System Capacity
    Expand SIP users and concurrent calls when your business grows with DSP Module.

Easy Configuration

Control and update your phone system with intuitive and graphical UI and point-and-click configuration using S-Series online Configuration Panel. Everything can be managed easily from any Internet-enabled device.

Fast Installations

Now you can link to any IP phone of your choice.


Robust Feature Set For All of Your Calling Needs

The Yeastar S-Series is designed to help you grow your business by providing plenty business-enhancing system features and functions.

  • App Center
  • AutoCLIP
  • Auto Provision IP
  • Phones
  • Automated Attendant (IVR)
  • Blacklist/Whitelist
  • Billing App
  • Call Back
  • Call Detail Records (CDR)
  • Call Monitor
  • Call Recording
  • Call Routing
  • Call Transfer
  • Conference
  • Distinctive Ringtone
  • Emergency Number
  • Event Center
  • Email to SMS/SMS to Email
  • Fax to Email
  • Find Me/Follow Me
  • Hot Standby
  • Import/Export Extensions
  • LDAP Server APP
  • Mobility Extension
  • Music on Hold
  • Queue
  • SLA
  • Time Condition
  • User Portal
  • User Privileges
  • Video Calls
  • Voicemail
  • Voicemail to Email
  • VPN Server App
  • And More

Reliable System

Powered by the latest processor technology, S-Series is a trust worthy telephone system with one of the highest MTBF (Mean Time Between Failures) in the industry. Based on Asterisk 13, S-Series is born to be powerful and constantly meeting your needs.

S-Series Models

Small business, home office, and mid-sized business will find a model that fits their business needs.

Specifications S20 S50 S100 S300
Users 20 50 100 (up to 200) 300 (up to 500)
Max Concurrent Calls 10 <25/td> 30 (up to 60) 60 (up to 120)
Max FXS/FXO Ports 4 8 16 24
Max BRI Ports 4 8 16 24
Max GSM/3G Channel 1 4 6 6
Max E1/T1/PRI Ports - - 2 3
LAN 1 × 10/100Mbps 1 × 10/100/1000Mbps
WAN 1 × 10/100Mbps 1 × 10/100/1000Mbps
Power DC 12V 1A AC 100-240V 50/60HZ 0.6A max AC 100-240V 50/60HZ 1.8A max
Dimensions (L x W x H) (mm) 160 x 160 x 30 340 x 210 x 44 440 x 252 x 44 440 x 252 x 44
Weight 0.3 kg 1.48 kg 2.5 kg 2.6 kg
Power Consumption 1.8-10.6 W 2.1-18.5 W 5.5-41.2 W 6.2-59.1 W
Environment Operation Range: 0°C to 40°C, 32°F to 104°F; Storage Range: -20°C to 65°C, -4°F to 149°F; Humidity: 10-90% non-condensing
Mounting Desktop & Wall-mount Rack-mount

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Telephone: 012 111 0111