Yeastar S412 VoIP PBX

Yeastar S412 – Hybrid VoIP & Analog PBX System

All‑in‑One Communications for Startups and Small Businesses

The Yeastar S412 is a compact, hybrid PBX system designed to give small businesses the perfect balance of modern VoIP technology and reliable analog telephony. With built‑in FXS ports, modular expansion options, and powerful UC features, the S412 delivers a flexible, cost‑effective communication platform that grows with your business. It includes all essential PBX features without recurring license fees, making it an ideal long‑term investment for startups, retail shops, clinics, and small offices.

Key Highlights

• Hybrid PBX combining VoIP and analog telephony

• Designed for small businesses needing flexibility and scalability

• Easy to manage with an intuitive web interface

• No recurring license fees for core PBX features

• Supports Linkus UC Softphone for mobile, desktop, and web communication

System Capacity

• VoIP Users: 8

• Concurrent Calls: 8

• Maximum FXS Ports: 12

• FXO / BRI Ports: Up to 4

Modular & Expandable Architecture

The S412 includes 8 built‑in FXS ports and offers 4 expansion slots to customize your telephony setup.

Internal Extension Slots

• 2 slots for S2 Modules (additional FXS ports)

External Line Slots

• 2 slots for O2 (FXO), BRI, or 4G modules

This modular design allows you to tailor the system to your exact communication requirements.

Linkus UC Softphone

Stay connected from anywhere with Linkus Unified Communications.

• Available on Mobile, Desktop, and Web

• Supports voice calls, audio conferencing, and instant messaging

• Includes presence status and corporate directory

• Ideal for remote and hybrid work environments

Built‑In Features (No Extra Fees)

• Auto Attendant (IVR)

• Call Recording

• Voicemail to Email

• Call Routing

• Audio Conferencing

• Call Forwarding, Transfer, and Parking

• Ring Groups and Queues

CRM Integrations

Seamlessly integrates with leading CRM platforms:

• Salesforce

• Zoho CRM

• HubSpot

• Odoo

• Bitrix24

These integrations help streamline workflows and improve customer engagement.

Remote Management

• Secure remote configuration

• Real‑time system monitoring

• Alerts and notifications for system events

• Ideal for IT teams managing multiple locations

Perfect For

• Startups

• Small Offices

• Retail Shops

• Clinics

• Warehouses

• Home Offices