Yeastar S20 – S-Series VoIP PBX for Small Business |
The Yeastar S20 – S-Series VoIP PBX for Small Business is a smart communication solution tailored to meet the needs of small enterprises. Built on a modular and scalable platform, it supports up to 20 users and 10 simultaneous calls, offering seamless connectivity through analog, GSM/3G/4G, ISDN BRI, and VoIP trunks. With its intuitive web interface, auto-provisioning, and advanced call features, the S20 ensures reliable and cost-effective business communication. Ideal for growing teams seeking a future-proof telephony system.
Key Features:
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Supports up to 20 users and 10 concurrent calls
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2 on-board module slots for FXO/FXS/BRI/GSM/3G/4G modules
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SIP and IAX2 protocol support
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Built-in call recording, voicemail, call forwarding, IVR, and more
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Auto-provisioning for major IP phone brands
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Web-based configuration and management
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Compact design ideal for wall or desktop mounting
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Low power consumption and fanless operation for quiet environments











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