Yeastar S300 VoIP PBX appliance, 300 users, 60 concurrent calls

IP PBX - 300 Users / 60 Concurrent Calls - Expandable to 500 Users / 120 Calls

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The S300 delivers enterprise-class IP telephony services with a base configuration that supports 300 users.

Expandable to 500 users, the S300 grows with you business and supports up to 24 analog ports, up to 24 BRI ports, up to 3 E1/T1/PRI ports, and up to 6 LTE channels.

Yeastar S-Series VoIP PBX

Performance and Power
Designed with the small and medium sized enterprises in mind, supporting up to 500 users and built using the very latest technology, the Yeastar S-Series delivers exceptional cost savings,
productivity and efficiency improvements, delivering power, performance, quality and peace of mind.

No licensing costs for a full-featured IP PBX system.
(*Additional specialised features available for a low cost, one time license fee.)

Benefits of an On-premise PBX
Having on premise PBX gives customers:

  • The control to create, adjust and delete users as desired
  • New open source features can be added with no/low license fees
  • Carrier independence
  • VoIP trunks can be added to save on calling costs
  • Reduction of overall costs after the initial system is paid for

The all new S-Series is engineered for the communications needs of today and tomorrow, and with the Yeastar unique modular design future proofs your investment choice.

The Easy-to-use Solution
The S-Series features fast installation with comprehensive auto provisioning, advanced plug and play capability, together with an intuitive Metro UI driven by point-and-click configuration, from any location.
Your Choice of Technologies and Features
With a unique modular design, the S-Series will install into the most demanding of environments. You can also take advantage of advanced enterprise grade features with the fullest and most complete software versions.
Telephone System without Risk
S-Series is built with the future in mind, utilizing the latest technology advances, from Freescale industrial grade Quad Core processors, TI DSP voice processors, and long-life power units and lightning protection.
Play Safe and Expect Reliability
With advanced failover, security, monitoring and reporting capabilities as standard, combined with an internal firewall and with support for TLS and SRTP encryption, there has never been such a robust system.

  • Works with SIP/IAX2, PSTN lines, ISDN BRI, E1/T1/PRI, and GSM/3G
  • Built-in call recording capability
  • Powerful Apps (add-ons) include Auto Provision, LDAP, Conference Panel, VPN Server, and more coming soon
  • Free lifetime software/firmware upgrade and above all, it’s super easy
  • Connect multiple sites and remote users instantly
  • No hidden charges and extra licensing fees
  • Low power consumption (1.8-59.1 watt)

Software Features

Automated Attendant (IVR)
Attended Transfer
Blind Transfer
Call Back
Call Detail Records (CDR)
Call Forwarding
Call Monitor
Call Parking
Call Pickup
Call Recording
Call Routing
Call Waiting
Caller ID
Custom Prompt
Dial by Name
Distinctive Ringtone
Do Not Disturb (DND)
Event Center
Email to SMS/SMS to Email
Fax to Email
Follow Me
Mobility Extension
Multi-language System Prompt
Multi-language Web GUI
Music on Hold
One Touch Recording
PIN List
Phone Provisioning
Real-time Status Monitor
Ring Group
SIP Forking
Speed Dial
Time Condition
User Portal
User Permission
Video Calls
Voicemail to Email
Voicemail Forwarding

Optional Expansion Boards

Yeastar S300 supports up to 3 Expansion boards and 2 DSP modules.

The EX08 board supports up to 4 expansion modules (8 ports).
Available Modules
* O2-Module = 2 FXO Ports
* S2-Module = 2 FXO Ports
* SO-Module = 1 FXO and 1 FXS port
* B2-Module = 2 BRI (ISDN) Ports

The EX30 board offers E1/T1 (ISDN) interface expansion

The D30 is a DSP (Digital Signal Processor) module, used to expand the capacity of the PBX.

With each D30 module added, the number of extensions increase by 100 and concurrent calls increase by 30. So with two DSP modules installed on this PBX, you can acheive 500 users and 120 calls in total.