Yeastar S20 VoIP PBX

Part Number: S20

8 in stock

$456.23 inc. GST

8 in stock

Compact entry-level small business phone system Easy to use, reliable and feature-rich

Easy to use. Powerful in Production
Built for Small Business

Yeastar S20 is a stand-alone PBX system with unrivalled range of features for business with less than 20 users. It’s built to be simple to use and powerful in production.

Connect, communicate and collaborate the way you like

With S20 to work with Yeastar Linkus UC softphone and Linkus Cloud Service, experience the ultimate convenience of doing business anywhere, on any device.


Eliminate complexity and connect on any device anywhere with Linkus UC Softphone.


Voice, conferencing, messaging. Get all advanced features for smarter conversations.


Corporate Directory. Presence. File Sharing. It’s about the team-up.

CRM Integration

Salesforce CRM, Microsoft Dynamics 365,Outlook Contacts, Google Contacts…

Flexible Modular Design

Free Telephony Interfaces Combination
With Yeastar S-Series, all the telephony interfaces are modular and customizable, S20 support 2 onboard module slots to custom FXS, FXO, ISDN BRI, GSM/3G/4G.

Powerful Remote Management

Benefit from a highly secure platform to monitor and manage your PBX system(s) remotely and centrally. Whether you are a phone system end user or a IT reseller, Yeastar Remote Management tool is here to free you from technical headaches and reduce IT & maintenance costs.

Complete Built-in Features

From basic call routing, IVR to advanced call conferencing and recording, Yeastar S-Series VoIP PBX provides you with all-inclusive features without extra licensing fees.

Extra Capacity with App Center

Independent from the main framework of the system, App Center allows you to add and manage Apps independently for extra functionality like hotel app, billing, call center integration, etc.

SKU: S20 Category: Brand:
FeatureFeature Value
Supported protocolsUDP, TCP, TLS, SRTP
VoIP protocolsSIP (RFC3261), IAX2
Firewall securityY
VLAN supportY
Network address translation (NAT)Y
Ethernet LAN data rates10,100 Mbit/s
Networking standardsIEEE 802.3,IEEE 802.3u
Dynamic DNS (DDNS)Y
Quality of Service (QoS) supportY
Call Detail Record (CDR)Y
Ethernet LAN (RJ-45) ports2
Width160 mm
Depth160 mm
Height30 mm
Weight300 g
Power consumption (typical)1.8 W
Operating temperature (T-T)0 – 40 °C
Storage temperature (T-T)-20 – 65 °C
Operating relative humidity (H-H)10 – 90%
Voice codecsG.711,G.722,G.726,G.729A
Short Message Service (SMS)Y
LED indicatorsY
Product colourBlack
Mounting typeDesktop/Wall mounting