Telephone Systems / Yeastar
Yeastar P550
The Yeastar P550 is part of the P-Series, designed for medium-sized businesses that require greater capacity, call center features, unified communications, CRM integration, strong security, and scalability. It is an appliance-type solution that provides a richer set of built-in functionalities for environments with higher demands.
Main features
- Supports 50 users, 25 concurrent calls, and up to 50 call center agents.
- Multiple ports: up to 8 FXS, 8 FXO/BRI, and up to 4 GSM/3G/4G channels.
- Combination of UC features: mobile/desktop clients, internal chat, video, CRM integration, call recording, and queue monitoring.
- Built-in security: SRTP/TLS encryption, defenses against unauthorized access, and remote management.
Technical specifications
Maximum Users
50
Concurrent Calls
25
Call Center Agents
Up to 50
Maximum FXS / FXO / BRI Ports
8
GSM/3G/4G Mobile Channels
4
Network Interfaces
2 x Gigabit Ethernet
Storage / USB
USB port (up to 2TB / external storage)
Power Consumption / Supply
AC 100-240V, 50/60Hz
Dimensions / Mounting
34 × 21 × 4.4 cm, 1U rackmount format
About the brand
With the P-Series, Yeastar delivers a complete ecosystem for businesses that require not only telephony but also advanced collaboration. The P550 combines capacity, security, and productivity features into a single appliance.

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