Patton SmartNode 4131 VoIP Gateway - 2x Ethernet, 8x BRI (TE/NT), 16 Voice Channels, SIP

The Patton SmartNode 4131 (SN4131/2ETH8BIS16VHP/EUI) is a high-performance VoIP gateway designed to bridge traditional ISDN BRI lines with modern SIP-based networks. Featuring 8 BRI ports configurable as TE or NT, 2 Ethernet ports, and support for up to 16 concurrent voice channels, this gateway delivers reliable voice connectivity for enterprise and service provider environments. With advanced security, QoS, and management features, the SmartNode 4131 ensures seamless integration and superior voice quality.

Advantages

Configurable BRI interfaces (TE/NT) provide flexibility for connecting to ISDN lines or terminal equipment. Dual Ethernet ports with auto-MDI/MDIX simplify network integration. Comprehensive security features including SIP TLS, SRTP, and IPsec VPN protect voice traffic. Adaptive jitter buffer and G.168 echo cancellation ensure clear audio. Web GUI, CLI, SNMP, and auto-provisioning enable easy management.

Suitable for

• Enterprises migrating from ISDN to VoIP
• Service providers offering SIP trunking with BRI connectivity
• Remote offices requiring reliable voice gateway
• Integration with legacy PBX systems via BRI

Key specifications

• Product Type: VoIP Gateway
• VoIP Channels: 16 (Concurrent Calls)
• BRI Ports: 8 x S/T (Basic Rate Interface), Configurable TE/NT
• Ethernet Ports: 2 x 10/100Base-TX (Auto-sensing, Auto-MDI/MDIX)
• VoIP Protocols: SIP (RFC 3261), H.323v4 (optional)
• Voice Codecs: G.711 (A-law/μ-law), G.723.1, G.729ab, G.726
• Fax Support: T.38 Fax Relay
• Echo Cancellation: G.168-2004 (up to 128 ms tail length)
• Security: SIP TLS, SRTP, IPsec VPN, Firewall, VLAN, ACLs
• Management: Web GUI, CLI, SNMP, Auto-provisioning
• Power Supply: External Universal (100-240VAC, 50-60Hz)
• Mounting: Desktop, Wall-mountable
• QoS: DiffServ, TOS, 802.1p/Q VLAN tagging
• Operating Temperature: 0 to 40 °C (32 to 104 °F)
• DTMF Support: In-band, RFC 2833, SIP INFO
• LED Indicators: Power, Status, LAN, BRI

Recommendations

The Patton SmartNode 4131 is an ideal solution for organizations seeking to leverage existing BRI infrastructure while transitioning to IP telephony. Its robust feature set and reliability make it a trusted choice for critical voice communications.