---
product_id: 271331095
title: "S20 - PBX Business Phone System (Barebones) (No modules)"
brand: "yeastar"
price: "€ 389.92"
currency: EUR
in_stock: true
reviews_count: 1
category: "Yeastar"
url: https://www.desertcart.pt/products/271331095-s20-pbx-business-phone-system-barebones-no-modules
store_origin: PT
region: Portugal
---

# 10 concurrent calls max Supports FXS, PSTN, ISDN BRI, GSM/CDMA/3G Plug & play, ultra-simple setup S20 - PBX Business Phone System (Barebones) (No modules)

**Brand:** yeastar
**Price:** € 389.92
**Availability:** ✅ In Stock

## Summary

> 📞 Elevate your small business calls—because every connection counts!

## Quick Answers

- **What is this?** S20 - PBX Business Phone System (Barebones) (No modules) by yeastar
- **How much does it cost?** € 389.92 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/271331095-s20-pbx-business-phone-system-barebones-no-modules)

## Best For

- yeastar enthusiasts

## Why This Product

- Trusted yeastar brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Powerhouse:** Lightweight and sleek black design fits perfectly in any modern office setup.
- • **Plug & Play Simplicity:** Designed for quick, no-fuss installation—get your SOHO PBX running in minutes.
- • **Trusted Yeastar Quality:** Backed by industry-leading Asterisk specialists and a 5-star user rating.
- • **Seamless Multi-Line Mastery:** Handle up to 10 calls simultaneously without a hitch.
- • **Universal Network Compatibility:** Connect effortlessly via PSTN, ISDN BRI, or GSM/CDMA/3G—flexibility that scales.

## Overview

The Yeastar S20 PBX Business Phone System is a compact, stand-alone telephony solution tailored for small businesses with up to 20 users. Supporting 10 concurrent calls and multiple telephony interfaces including FXS, PSTN, ISDN BRI, and GSM/CDMA/3G, it offers versatile connectivity with straightforward setup. Ideal for SOHO environments, it combines reliable Yeastar engineering with professional-grade features to streamline your communications.

## Description

S20 is a stand-alone telephone system offering an unrivalled range of features to small business with less than 20 users. It supports 10 concurrent calls and various combinations of telephony ports including FXS, PSTN, ISDN BRI, and GSM/CDMA/3G.

Review: Very simple to configure for a soho pbx

## Features

- Call (650) 282-2885 for additional discounts (and) with any Pre-Sales questions!
- We are a Yeastar sub-distributor (approved by Cherry)
- We are Asterisk Specialists and IP PBX Telephone System professionals!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07S6SCC86 |
| Answering System Type | Digital |
| Best Sellers Rank | #165,810 in Electronics ( See Top 100 in Electronics ) #600 in Analogue & DECT Phones |
| Brand | YEASTAR |
| Color | Black |
| Compatible Devices | PSTN, ISDN BRI, GSM/CDMA/3G networks |
| Conference Call Capability | Basic |
| Customer Reviews | 5.0 5.0 out of 5 stars (3) |
| Dialer Type | Single Keypad |
| Enclosure Material | Plastic |
| Is there Caller ID | No |
| Item Weight | 0.68 Kilograms |
| Manufacturer | YEASTAR |
| Multiline Operation | Multi-Line Operation |
| Power Source | Corded Electric |
| Telephone Type | Corded |
| UPC | 682863385274 |

## Product Details

- **Brand:** YEASTAR
- **Colour:** Black
- **Material:** Plastic
- **Power source:** Corded Electric
- **Telephone type:** Corded

## Images

![S20 - PBX Business Phone System (Barebones) (No modules) - Image 1](https://m.media-amazon.com/images/I/71hk-ojBkhL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by F***O on 10 April 2025*

Very simple to configure for a soho pbx

## Frequently Bought Together

- Yeastar S20 - PBX Business Phone System (Barebones) (No modules)
- YEASTAR YST-O2-2 FXO Ports Module, 2 FXO Ports, Ethernet, Compatible with PBX Series & Asterisk, Red, 1 Pound, Business Use
- Yealink T33G IP Phone, 4 VoIP Accounts. 2.4-Inch Color Display. Dual-Port Gigabit Ethernet, 802.3af PoE, Power Adapter Not Included (SIP-T33G)

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**Shop now:** [https://www.desertcart.pt/products/271331095-s20-pbx-business-phone-system-barebones-no-modules](https://www.desertcart.pt/products/271331095-s20-pbx-business-phone-system-barebones-no-modules)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-04-22*