Yeastar P550 IP PBX
The Yeastar P550 IP PBX is a versatile VoIP phone system supporting up to 50 users, 25 concurrent calls, analog and digital telephony interfaces (FXS/FXO/BRI), GSM/3G/4G support, unified communications, advanced call handling, and secure networking — ideal for small and growing businesses.
Description
Yeastar P550 — 50‑User Scalable VoIP PBX with Modular Connectivity
Key Features:
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50 Users Supported: Handles up to 50 extensions and SIP accounts.
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25 Concurrent Calls: Supports up to 25 simultaneous voice sessions.
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Modular Telephony Interfaces: Supports up to 8 FXS/FXO ports and up to 8 ISDN BRI ports via modules.
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Cellular Connectivity (Optional): Up to 4 GSM/3G/4G channels with compatible modules.
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SIP Trunk Support: Native support for SIP trunks to connect with VoIP carriers.
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Unified Communications: Linkus UC Clients for desktop, mobile, and web softphones.
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Call Center Capabilities: Call queues, monitoring, reports, and agent support.
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Advanced Call Features: IVR auto attendant, call forwarding, transfer, park/pickup, music on hold, and voicemail‑to‑email.
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Security & Networking: Integrated firewall, TLS/SRTP encryption, role‑based access, and remote management.
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Remote Management: Manage and monitor via web UI and Yeastar Central Management.
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Rackmount Form Factor: Standard 1U chassis with dual Gigabit Ethernet ports and USB for storage or backups.
Hardware & Technical Specs:
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User Capacity: Up to 50 users.
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Concurrent Calls: Up to 25 simultaneous calls.
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Max FXS Ports: Up to 8.
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Max FXO/BRI Ports: Up to 8.
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Max GSM/3G/4G Ports: Up to 4.
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Expansion Board Support: Modular slots for telephony interface cards (FXS/FXO/BRI/GSM).
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Ethernet: 2 × 10/100/1000 Mbps RJ45.
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USB: 1 × USB for external storage (up to 2 TB).
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Power: AC 100‑240 V, 50/60 Hz.
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Form Factor: 1U rackmount chassis.
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Voice Codecs: G.711 (alaw/μ‑law), G.722, G.726, G.729A, GSM, Speex, ADPCM, iLBC.
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Video Codecs: H.263, H.264, MPEG4 (optional).
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Protocols: SIP (RFC3261), UDP/TCP, TLS, SRTP, DTMF via RFC2833/SIP INFO/In‑band.
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Operating Temperature: 0 °C to 40 °C.
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Dimensions & Weight: Approx. 34 × 21 × 4.4 cm; ~1.6 kg
Technical Datasheet
You can download the full technical documentation for this product from the link below:
Download PDF Datasheet










