Yeastar S300 VoIP PBX

Yeastar S300 delivers enterprise-class IP telephony services with a base configuration that supports 300 users and can expandable to 500 users.

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S300 voip pbx-front
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Maximize needs

Maximize needs
300 Users (expandable to 500)
60 Concurrent Calls (expandable to 120)
Up to 24 FXS/FXO/BRI Ports
Up to 6 GSM/CDMA/3G/4G Channels
Up to 3 E1/T1/PRI Ports

Security

Security
Protected from Internet hackers,
viruses with built-in firewall, TLS,
SRTP, and more.

Performance

Performance
Powered by Freescale ARM A9
industrial grade quad-core CPU
processors.

Future-proof

Future-proof
Free lifetime software/firmware
upgrade assure reliability over the years.

Easy to use

Easy to use
Save time with streamlined
installation. Manage PBX on the intuitive web GUI.

Phone provisioning

Phone provisioning
Automatically provision phones
from Cisco, Yealink, Polycom
and more.

With Yeastar S-Series, all the telephony interfaces are modular and customizable, S300 allow 3 Expansion Board and Telephony Modules to add telephony interfaces.

Modular design

Linkus Mobile Client. Stay Connected anywhere anytime.

Coordinated with S-Series VoIP PBX, Linkus Mobile Client makes
your Android or iOS mobile phone an office extension.

Learn More

Everything in App Center

An easy access to a wealth of apps to extend features for your PBX and powers your communication.

app center for pbx
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Robust Feature Set for All of Your Calling Needs

The Yeastar S-Series is designed to help you grow your business by providing plenty business-enhancing
system features and functions. Learn more about the business-enhancing features.

Related S-Series Model

S20 voip pbx

S20 VoIP PBX

Stand-alone telephone systems
offering an unrivalled range
of features to small business.

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S50 voip pbx

S50 VoIP PBX

Compact and full-featured
IP-PBX that support 50 users
and 25 Concurrent Calls.

Learn More
S100 voip pbx

S100 VoIP PBX

Cost-effective business phone
systems with up to 200 users
and 60 concurrent calls.

Learn More
product Document

Document

Inquiry

Inquiry

Demo

Demo

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