Yeastar S50 S-Series Phone System / PBX

Yeastar S50 S-Series Phone System / PBX Image 1

Yeastar S50 IP telephone exchange for small business VoIP deployments.

The Yeastar S50 is a compact IP PBX system designed to deliver enterprise-grade telephony features to small and medium-sized businesses. This VoIP-based telephone exchange supports up to 50 users and 25 concurrent calls, providing a cost-effective unified communications solution with integrated voicemail, IVR, call recording, and conferencing capabilities.

The S50 is part of Yeastar’s S-Series IP PBX platform, engineered for organisations transitioning from legacy analogue or digital telephone systems to modern IP-based communications. It supports SIP trunking for external connectivity and can integrate with analogue lines, ISDN BRI, or GSM/3G via optional expansion modules, offering flexibility during migration or for hybrid deployments.

This appliance-based PBX is suitable for standalone office installations or small branch offices requiring on-premises telephony control. The S-Series platform provides a web-based management interface for straightforward configuration and ongoing administration without specialist technical knowledge.

Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability and lead time.

Worldwide supply. We export new and refurbished telecoms and networking equipment internationally. International buyers welcome, request a delivered quote in your currency. Supply subject to export checks.

From the same manufacturer

Compatible with the same platform

Frequently asked questions

Is the Yeastar S50 refurbished or new?
Tech-Star supplies both new and refurbished Yeastar S50. Refurbished items are tested and graded against manufacturer specifications; the condition is confirmed at quote.
What warranty is included with the Yeastar S50?
Refurbished Yeastar S50 comes with a 90-day parts and labour warranty as standard. Extended warranty options are available on request.
How do I get a price for the Yeastar S50?
Pricing reflects current stock and lead time, so we quote per enquiry. Submit the part number through the contact form for a quote, typically within one business hour.
Can the Yeastar S50 be returned?
Returns are accepted within 14 days of delivery in line with our return policy. A restocking fee may apply for opened items.
How quickly can the Yeastar S50 be delivered?
Lead time depends on current stock. UK-based items typically ship the next business day; sourced items vary. We confirm lead time at quote.

Key FeaturesSupports up to 50 users and 25 concurrent calls; Built-in voicemail and auto attendant; Modular expansion for analogue, ISDN, or cellular connectivity; Web-based administration interface
ApplicationsSmall business VoIP telephony; Branch office communications; Legacy PBX replacement
CompatibilityYeastar S-Series expansion modules; Standard SIP endpoints; SIP trunk providers
Specifications50 user capacity; 25 concurrent calls; SIP trunk support; Modular FXO/FXS/BRI/GSM expansion
PlatformYeastar S-Series
ManufacturerYeastar

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