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| Category | Details |
|---|---|
| Model | Yeastar S20 |
| System Type | VoIP PBX System |
| User Capacity | Up to 20 users |
| Concurrent Calls | Up to 10 concurrent calls |
| Telephony Interfaces | 2 module slots for flexible FXO/FXS/BRI/GSM/3G/4G modules |
| Network Interfaces | 2 x 10/100 Mbps Ethernet Ports |
| USB Ports | 1 x USB 2.0 port |
| Storage | 1 x SD card slot (for call recording and data storage) |
| VoIP Trunks | Unlimited SIP trunk registration support |
| Protocols Supported | SIP (RFC3261), IAX2 |
| Audio Codecs | G.711 (A/u), G.722, G.726, G.729A/B, GSM, Speex, Opus |
| Video Codecs | H.263, H.263P, H.264 |
| Security Features | Firewall, TLS, SRTP, IP Auto Defense, Fail2Ban, HTTPS |
| Auto Provisioning | Supported for IP phones (Yealink, Fanvil, Snom, Cisco, etc.) |
| Call Features | Call forwarding, waiting, transfer, hold, pickup, parking, conferencing, voicemail |
| Voicemail | Built-in with voicemail-to-email |
| Fax | T.38 Fax over IP, Store & Forward Fax, Fax to Email |
| Recording | Manual and automatic recording supported (with SD card) |
| IVR | Multi-level IVR |
| Conference Rooms | Yes (built-in audio conferencing) |
| Call Center Features | ACD, queue management, ring strategies, agent monitoring |
| API Integration | Yes (HTTP API and AMI support) |
| Web Interface | Web-based GUI management |
| Remote Access | Yeastar Remote Management Platform supported |
| Operating Temperature | 0°C to 40°C |
| Power Supply | 12V DC, 1A |
| Dimensions | 160mm × 160mm × 30mm |
| Weight | 0.5 kg approx. |
| Certifications | CE, FCC, RoHS |
Yeastar S20 VoIP PBX – Full Specifications, Features & Modular Interface
Explore full specifications of the Yeastar S20 VoIP PBX System. Supports up to 20 users, 10 concurrent calls, SIP trunks, modular FXS/FXO/GSM slots, call recording, and advanced telephony features.
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Yes. All our HP monitors come with official manufacturer warranty, ensuring peace of mind and trusted after-sales service.
We deliver anywhere within the UAE. Plus, enjoy free shipping on orders above AED 1000.
Absolutely. We work with businesses and institutions. Contact us for bulk pricing and custom quotes.
We prioritize fast UAE-wide delivery, so you receive your order as quickly as possible—usually within 1–3 working days.
sdWe’re not just resellers also tech partners. Every Premium Products in our collection is genuine, comes with a warranty, and is ready to ship from UAE-based stock. Whether you’re a startup founder, a student, or setting up your remote office, we’ll help you find a Products or models that fits your needs and budget.

