beroNet BFSB4XO - 660 g - 168 x 168 x 42 mm - 0 - 70 °C - CE (EN55022 - EN55024 - EN60950)

In a busy small office, the phone lines are still analog, but the PBX has moved to the cloud. The beroNet BFSB4XO bridges that gap: it connects up to four analog FXO lines to a VoIP network, so you can keep your existing PSTN numbers while enjoying the flexibility of SIP-based communication. It's a compact desktop unit that fits neatly next to your router or server.

Key specifications

• 4 FXO ports for connecting analog telephone lines
• Supports SIP and H.323 VoIP protocols
• Voice codecs: G.711 (a/µ-law), G.729, G.723.1, G.726
• Echo cancellation (G.168) for clear calls
• Web-based GUI, SNMP, and CLI (SSH/Telnet) management
• Security: SRTP, TLS, and built-in firewall
• VLAN tagging and QoS (DiffServ/ToS) for network efficiency
• NAT traversal for easy deployment behind routers
• Operating temperature: 0 to 70 °C
• CE certified (EN55022, EN55024, EN60950)

Why choose it

This gateway eliminates the need for separate analog phone adapters. It integrates legacy lines directly into your VoIP infrastructure, reducing hardware clutter and simplifying management. The robust security features protect voice traffic, while QoS ensures high call quality even on busy networks.

Ideal use cases

• Small to medium businesses transitioning from analog to VoIP
• Connecting fax machines or analog phones to a VoIP PBX
• Failover for VoIP lines using PSTN backup
• Remote offices needing local PSTN access

Good to know

The BFSB4XO is powered by an external AC adapter and includes an Ethernet port for network connectivity. It supports VLANs for network segmentation and can be managed remotely via SNMP or CLI. The unit is CE certified, ensuring compliance with European standards.