Yeastar P550 IP PBX

Key Features:

• 50 Users Supported: Handles up to 50 extensions and SIP accounts.

• 25 Concurrent Calls: Supports up to 25 simultaneous voice sessions.

• Modular Telephony Interfaces: Supports up to 8 FXS/FXO ports and up to 8 ISDN BRI ports via modules.

• Cellular Connectivity (Optional): Up to 4 GSM/3G/4G channels with compatible modules.

• SIP Trunk Support: Native support for SIP trunks to connect with VoIP carriers.

• Unified Communications: Linkus UC Clients for desktop, mobile, and web softphones.

• Call Center Capabilities: Call queues, monitoring, reports, and agent support.

• Advanced Call Features: IVR auto attendant, call forwarding, transfer, park/pickup, music on hold, and voicemail‑to‑email.

• Security & Networking: Integrated firewall, TLS/SRTP encryption, role‑based access, and remote management.

• Remote Management: Manage and monitor via web UI and Yeastar Central Management.

• Rackmount Form Factor: Standard 1U chassis with dual Gigabit Ethernet ports and USB for storage or backups.

Hardware & Technical Specs:

• User Capacity: Up to 50 users.

• Concurrent Calls: Up to 25 simultaneous calls.

• Max FXS Ports: Up to 8.

• Max FXO/BRI Ports: Up to 8.

• Max GSM/3G/4G Ports: Up to 4.

• Expansion Board Support: Modular slots for telephony interface cards (FXS/FXO/BRI/GSM).

• Ethernet: 2 × 10/100/1000 Mbps RJ45.

• USB: 1 × USB for external storage (up to 2 TB).

• Power: AC 100‑240 V, 50/60 Hz.

• Form Factor: 1U rackmount chassis.

• Voice Codecs: G.711 (alaw/μ‑law), G.722, G.726, G.729A, GSM, Speex, ADPCM, iLBC.

• Video Codecs: H.263, H.264, MPEG4 (optional).

• Protocols: SIP (RFC3261), UDP/TCP, TLS, SRTP, DTMF via RFC2833/SIP INFO/In‑band.

• Operating Temperature: 0 °C to 40 °C.

• Dimensions & Weight: Approx. 34 × 21 × 4.4 cm; ~1.6 kg