Yeastar S20 VoIP PBX Phone System

1. Compact VoIP PBX (Private Branch Exchange) phone system designed to provide business‑grade voice communication, call routing, and phone management for small offices and enterprises

2. Supports up to 20 extensions, enabling multiple users to have individual phones with internal calling, voicemail, and customized routing

3. Flexible SIP trunk support that allows connection with multiple VoIP service providers to optimize call costs and expand communication capabilities

4. Integrated auto‑attendant that answers calls automatically with a customizable greeting and helps direct callers to the appropriate extension or department

5. Built‑in voicemail for each extension with optional voicemail‑to‑email delivery that lets users receive voice messages in their inbox

6. Advanced call features including call forwarding, call transfer, call waiting, caller ID, and call parking for efficient business communication

7. Supports conferences, pick‑up groups, and hunt/ring groups to help teams collaborate and handle inbound call volumes effectively

8. Easy expansion and scalability with support for additional SIP extensions and trunks as your business grows without complex rewiring

9. Web‑based management interface for simple configuration, monitoring, and system administration from any device with a browser

10. Built‑in firewall and security features to protect against VoIP threats, toll fraud, and unauthorized access to your phone system

11. Integrated digital and analog SIP support for compatibility with traditional phones, SIP phones, and softphones

12. Unified communications options including voicemail, call queues, and extensions for streamlined team interaction

13. Energy‑efficient operation that reduces power usage while maintaining reliable performance for daily voice communication

14. Rugged, compact design that fits neatly in office environments without taking up significant space

15. Ideal choice for small businesses, remote offices, startups, and growing enterprises seeking professional and cost‑effective phone system solutions