PB220S is 2U rack mountable VoIP PBX server appliance suited for Phones, Gateway, Redundancy Solutions, and network data applications with high I/O requirements. The system runs Asterisk making it significantly less expensive to deploy than proprietary solutions. With 2U form factor, PB220S has enough space for additional expansion slots. PB220S integrates with analog or digital cards such as FXO/FXS, E1/T1 according to your needs and its universal 2U form allows a quick integration to your network infrastructure.

Deliver reliable performance for your office VoIP network with the flexibility of PB220U.

  • Front and Rear I/O flexibility
  • Rackmount chasis
  • Short depth, ruggedized 2U chassis
  • Dual, redundant AC or DC power option
  • Optimized for Asterisk Server Technology
  • Built-in Telephony Interface Cards
  • Simultaneous media compression
  • SIP standard protocol supported by phones and carriers around the world
  • Web based administration, performance, and usage statistics
  • Automated attendant (IVR)
  • Mobile connectivity
  • No per user fees


Intel Xeon processor E5 family
Processor Sockets: 1


HDD Slots: 8 hot-swappable 3.5" or 2.5" with enclosure
RAID Level: 0, 1, 10, 5, 6, JBOD
Auto-Rebuild: Yes
Hot Spare: Yes
Compatible Drive: HDD (SATA, SAS), SSD (SATA, SAS)
Drive Form Factor: 3.5", 2.5" (bracket required)


Up to 64GB

Operating System

Asterisk Server


Dual 10GbE NIC ports

Power Supply

Redundant power supply


Up to four PCIe slots


Based on contract