S100 | S Series VOIP PBX | yeastar

The Yeastar S100 VoIP PBX is a scalable, enterprise-class business phone system designed for growing small and medium-sized enterprises (SMEs). Part of the Yeastar S-Series PBX family, the S100 offers flexibility, reliability, and powerful Unified Communications features in a compact appliance.

With support for 100 users (expandable to 200) and 30 concurrent calls (expandable to 60), the S100 provides exceptional scalability. Its modular design allows seamless integration with FXO/FXS/BRI/GSM/3G/4G interfaces, making it adaptable to any business environment.

🔑 Key Features

👥 Capacity & Performance

✅ Supports 100 users (expandable to 200)
✅ Handles 30 concurrent calls (expandable to 60)
✅ Modular design with expansion slots for FXO/FXS/BRI/GSM/3G/4G modules
✅ Powered by Quad-core processor & industrial-grade hardware

📞 Telephony Features

✅ Call Forwarding, Call Waiting, Call Recording, Voicemail
✅ IVR (Interactive Voice Response)
✅ Call Queues, Ring Groups, Paging/Intercom
✅ Conference Calling
✅ Call Detail Records (CDR) & Caller ID

🌐 Connectivity & Protocols

✅ SIP/IAX2 protocol support
✅ SIP trunking & remote extensions
✅ PSTN, ISDN BRI, GSM/3G/4G via expansion modules
✅ Fax over IP (T.38 support)

🔒 Security & Reliability

✅ TLS & SRTP for secure voice communications
✅ Firewall, Fail2Ban & IP auto defense
✅ VPN support for remote access
✅ Automatic backups & disaster recovery options

📊 Manageability

✅ Easy-to-use web-based GUI
✅ Remote access & monitoring
✅ API support for integrations
✅ Auto provisioning for IP phones

🎁 What’s in the Box?

✅ Yeastar S100 PBX Unit
✅ Power Adapter
✅ Ethernet Cable
✅ Quick Start Guide
✅ Warranty Card

🚀 Why Buy From Us?

🏷️ Best Price in Pakistan
📦 Nationwide Delivery (Karachi, Lahore, Islamabad & more)
🛡️ 100% Genuine Yeastar Products with Warranty
💬 Dedicated Technical Support