Yeastar S20 VoIP PBX


Yeastar S20 VoIP PBX

Availability: In stock SKU: S20

$616.00 (inc. of GST)

Or $123.20 today and more time to pay with

Yeastar S20, UDP, TCP, TLS, SRTP, SIP (RFC3261), IAX2, 10,100 Mbit/s, IEEE 802.3,IEEE 802.3u, 160 mm, 160 mm

View cartAvailability: 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.

Technical details
  • Voice codecs: G.711,G.722,G.726,G.729A
  • Short Message Service (SMS): ✔
Ports & interfaces
  • Ethernet LAN (RJ-45) ports: 2
Weight & dimensions
  • Width: 160 mm
  • Depth: 160 mm
  • Height: 30 mm
  • Weight: 300 g
  • Power consumption (typical): 1.8 W
Operational conditions
  • Operating temperature (T-T): 0 - 40 °C
  • Storage temperature (T-T): -20 - 65 °C
  • Operating relative humidity (H-H): 10 - 90%
  • Supported protocols: UDP, TCP, TLS, SRTP
  • VoIP protocols: SIP (RFC3261), IAX2
  • Ethernet LAN data rates: 10,100 Mbit/s
  • Networking standards: IEEE 802.3,IEEE 802.3u
  • Dynamic DNS (DDNS): ✔
  • Firewall security: ✔
  • VLAN support: ✔
  • Blacklist: ✔
  • Network address translation (NAT): ✔
  • LED indicators: ✔
Management features
  • Quality of Service (QoS) support: ✔
  • Call Detail Record (CDR): ✔
  • Product colour: Black
  • Mounting type: Desktop/Wall mounting