Yeastar S300 IP PBX
Enterprise-Class IP Telephony for Growing Businesses
Yeastar S300 delivers enterprise-class IP telephony solutions with a base system that supports 300 phones, expandable to 500. Simple to install, easy to manage, and developed as a complete office telephone system — the S300 grows with your business.
Simple to Install & Manage
Auto-configuration, auto-detect, and plug-and-play capabilities save time and reduce maintenance effort.
Modular & Scalable Design
All telephone interfaces are modular and adjustable — FXS, FXO, ISDN BRI, GSM/3G, or E1/T1/PRI — expandable as your business grows.
Powerful & Reliable
Powered by the latest processor technology with one of the highest MTBF ratings in the industry, based on Asterisk 13.
Advanced Security
Built-in internal firewall with support for TLS and SRTP encryption, plus failover, monitoring, and reporting as standard.
D30 Expansion Module
Expand system capacity with D30 DSP modules. Each D30 module added increases extensions by 100 and concurrent calls by 30, allowing seamless growth alongside your business.
S300 Technical Specifications
- Users: 300 (Expandable to 500)
- Concurrent Calls: 30 (Expandable to 120)
- E1/T1/PRI Ports: Up to 3
- BRI Ports: Up to 24
- FXS/FXO Ports: Up to 24
- GSM Channels: Up to 6
Performance & Format
- Expansion Interfaces: 3 slots (EX08, 1 PRI card, or EX30)
- Form Factor: 1U Rack Mountable
- Voicemail Storage: 10,000 minutes (expandable)
- Processor: Latest Processor Technology
- Reliability: High MTBF Rating
Comprehensive PBX Features
- Call Recording
- Call Monitoring
- Call Detail Records (CDR)
- CRM Integration
- Email to SMS / SMS to Email
- Paging & Intercom
- Mobility Extension
- Voicemail to Email
- Music on Hold
