Yeasar S20 IP PBX

Yeasar S20 IP PBX

• User Capacity: Up to 20 users

• Concurrent Calls: Up to 10 simultaneous calls

• VoIP Trunks: Supports up to 20 SIP trunks

• Modular Ports:

  • Up to 4 ports for FXO, FXS, or BRI modules

  • Optional 3G/4G channel via expansion

• Network Interfaces:

  • 2 × 10/100 Mbps Ethernet ports

  • NAT router functionality

• Voice Codecs: G.711a/μ, G.722, G.726, G.729A, GSM, iLBC

• Call Features:

  • Call forwarding, call transfer, call waiting

  • Voicemail, IVR, call recording, ring groups

  • Conference calling, call detail records

• Management:

  • Web-based GUI

  • Auto-provisioning for IP phones

  • Remote management via Yeastar Cloud

• Security:

  • TLS/SRTP encryption

  • Firewall, DDOS protection

• Power Supply: 12V DC, 1A

• Dimensions: 160 × 160 × 30 mm

• Use Case: Ideal for SOHO, retail, and small office setups needing reliable and scalable VoIP telephony

Yeasar S20 IP PBX

Yeastar S20 IP PBX – Product Overview

The Yeastar S20 is a compact and powerful IP PBX system designed for small businesses. It supports up to 20 users, 10 concurrent calls, and 20 VoIP trunks. Its modular design allows for analog and cellular expansion via telephony modules, making it a flexible and scalable solution.

Yeastar S20 IP PBX – Technical Specifications

Yeastar S20 IP PBX – Key Features

• Plug-and-play setup with intuitive web GUI

• Auto provisioning for major IP phone brands

• Remote management via Yeastar Remote Access Service

• Unified communications features like voicemail, IVR, call recording, and conferencing

• Modular design for analog and cellular expansion

• Free lifetime software upgrades for long-term reliability

Yeastar S20 IP PBX – Use Cases

• Small businesses with up to 20 employees

• Startups needing affordable VoIP infrastructure

• Branch offices requiring remote PBX management

• Hybrid setups combining VoIP and analog lines

• Hotels, clinics, and retail outlets with basic call routing needs

Yeastar S20 IP PBX – Pros and Cons

Pros:

• Compact and cost-effective

• Easy to install and manage

• Flexible telephony module support

• Secure and stable Linux-based platform

Cons:

• Limited scalability beyond 20 users

• No built-in Wi-Fi or LTE (requires module)

Yeastar S20 IP PBX – Frequently Asked Questions (FAQs)

1. Can the S20 support GSM or 4G calls? Yes, with optional GSM/3G/4G modules installed in the expansion slots.

2. Is it compatible with Yealink or Fanvil IP phones? Absolutely. It supports auto provisioning for most SIP-compliant phones including Yealink, Fanvil, and Grandstream.

3. Does it require a license for basic features? No, core PBX features are included. Advanced UC features may require license upgrades.

Yeastar S20 IP PBX – Conclusion

The Yeastar S20 IP PBX is a smart investment for small businesses in Kenya seeking a reliable, scalable, and cost-effective VoIP solution. With support for up to 20 users, modular telephony expansion, and secure remote management, it delivers enterprise-grade features in a compact package. At KSh 29,000, it balances performance and affordability—making it ideal for startups, branch offices, and hybrid setups.