P520, Telecom, PBX, Yeastar, 20 Users, 10 Concurrent Calls, Desktop / Wall-Mountable
Desktop IP PBX appliance supporting up to 20 users and 10 concurrent calls with 2 onboard telephony module slots for FXS/FXO/BRI/LTE interfaces.
Product Overview
The Yeastar P520 is a converged IP PBX appliance designed specifically for small businesses and branch offices with up to 20 users. It brings enterprise-grade unified communications—including voice calling, team messaging, video conferencing, and call center features—into an affordable, compact desktop form factor. Featuring Linkus UC Clients across iOS, Android, Windows, macOS, and Web browsers, the P520 enables employees to collaborate from anywhere seamlessly. Its modular architecture accommodates 2 Yeastar telephony modules, allowing flexible combinations of analog extensions (FXS), PSTN lines (FXO), ISDN BRI, and 4G LTE cellular failover without requiring external gateways.
Why Buy This Product
All-in-One Unified Communications
Linkus UC suite connects mobile, desktop, and web browsers into one streamlined calling, messaging, and video experience.
Modular Telephony Flexibility
2 onboard module slots support any combination of FXS, FXO, BRI, and 4G LTE modules to match office wiring.
Enterprise Security & Remote Access
Built-in Auto Defense, IP restriction rules, TLS/SRTP voice encryption, and Yeastar Remote Access Service.
Best for These Applications
Small Businesses & Startups
Offices requiring up to 20 extensions with zero subscription fees for core PBX functionalities.
Branch & Remote Offices
Distributed locations requiring independent local survivability connected back to headquarters.
Clinics & Professional Practices
Service firms needing IVR menus, call routing rules, voicemail-to-email, and call recording.
Key Advantages
- Zero Recurring User License Fees:Core IP-PBX telephony, Linkus UC apps, IVRs, and ring groups require no per-extension recurring software licensing.
- Dual Gigabit LAN/WAN Routing:Equipped with dual gigabit ethernet interfaces providing high-throughput network segmentation.
- Cellular Voice & Data Backup:Optional 4G LTE module keeps essential lines alive during wired internet or landline PSTN outages.
Frequently Asked Questions
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Weight | 1.2 |
| Shipping Weight | 1.8 |
| Category Page Featured | Yes |
| User Capacity | 20 |
| Max Ip Users | 20 |
| Concurrent Calls | 10 |
| Analog Extensions | 4 |
| Co Lines | 4 |
| Bri Ports | 4 |
| Gsm Channels | 1 |
| Cellular Ports | 1 |
| Expansion Slots | 2 |
| Sip Trunks | 20 |
| Voip Channels | 10 |
| Voicemail Channels | 4 |
| Voicemail Storage | Internal flash & external USB storage supported |
| Audio Conferencing | Built-in Meet-Me & Ad-Hoc Audio Conferencing |
| Call Detail Records | Comprehensive CDR reporting & call analytics |
| System Architecture | Modular IP Appliance with Hardware DSP Processing |
| Power Supply | 12V DC, 1.5A External Power Adapter |
| Power Consumption | 18W Maximum |
| Mounting Form Factor | Desktop / Wall-Mountable |
| Dimensions | 340 x 210 x 44 mm |
| Weight | 1.2 kg |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Ethernet Interfaces | 2 x 10/100/1000 Mbps Gigabit Ports (LAN/WAN) |
| Voip Protocols | SIP (RFC3261), IAX2, TLS, SRTP, IPv4, IPv6 |
| Audio Codecs | G.711a, G.711u, G.722 (HD Voice), G.726, G.729A, GSM, iLBC, Opus |
| Certifications | CE, FCC, RoHS |
| Stock | 2 |
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