T1/E1/PRI VoIP Gateways
SmartNode SN4970A PRI VoIP Gateway | 1 or 4 T1/E1/PRI interface for up to 120 simultaneous phone or fax calls

IP-enable legacy PBX systems with the enterprise-class SmartNode 4970A VoIP Gateway. Supporting 15 to 120 concurrent VoIP calls, the cost-effective SN4970A media gateway enables enterprises to connect existing PBX systems with advanced IP telephony services and the PSTN.

Cloud Enabled The SmartNode™ 4970A VoIP Gateway offers Enterprises a cost-effective solution to IP-enable legacy PBX systems. Evolving from Patton’s award winning SmartNode 4970 Series, the next generation SmartNode 4970A Series comes now with Trinity software containing a wide set of features.

Like every SmartNode™, the SN4970A supports every industry-standard CODEC to deliver toll-quality voice on every call. The Unified Communications Agent™ (UCA) provides any-to-any multi-path switching (simultaneous SIP, ISDN, and POTS calls with routing and conversion between TDM/PSTN and IP/Ethernet networks—plus T.38 and SuperG3 FAX). VoIP-over-VPN with voice encryption provides secure voice and data via IPsec with AES/DES strong encryption and automated keying via Internet Key Exchange (IKE). In addition, advanced call-router functionality includes least-cost call routing with flexible dialed-number plan support.

The SmartNode survivability suite offers PSTN fallback to ensure business continuity in case the IP network fails. Furthermore, SmartNode’s unique high-precision clock delivers first-line IP telephony service in demanding ISDN and DECT environments with reliable FAX and modem performance. In addition, SmartNode delivers a smooth transition to VoIP with strong number portability support accepting incoming calls from the PSTN throughout the VoIP service provider's number porting process.

Preserve investments in legacy phone equipment while taking the next steps toward unified communications with the SN4970A VoIP Gateway. Providing 1 to 4 T1/E1/PRI and a 10/100/1000 Ethernet for up to 120 VoIP calls, the SN4970A delivers a reliable, cost-effective solution for the Enterprise.

Convert Legacy PBX to VoIP
SmartNode 4970

  • Trinity OS - Advanced feature set supporting IPv6 and Patton Cloud capable Software Comparison
  • 15 to 120 VoIP calls—with up to four T1/E1/PRI ports and a single Gigabit Ethernet port.
  • Proven Interoperability—SIP interop with major IP PBX, Softswitch and VoIP Service Providers. Over 100,000 SmartNode deployments worldwide. ISDN/PSTN compliance in nearly every country.
  • Transparent Telephony Features—Complex number manipulation and mapping for seamless integration with existing infrastructures, CLIP, CLIR, hold, transfer and much more.
  • High Precision Clock—Delivers DECT PBX interoperability with reliable fax performance.
  • Flexible Mounting Options—The device can be placed on a desktop or installed in a 19-inch rack using the optional rack ear kit (INS-KIT-RACKEARS-11/19)
  • Supported by SmartNode™ Redirection Service: A free service enabling zero-touch mass deployments for Service Providers and Distributors with auto-provisioning servers (Learn More). 


VoIP Gateway | SmartNode 4970A ISDN PRI VoIP Gateway

IP-enable legacy PBX systems with the enterprise-class SmartNode 4970A ISDN VoIP Gateway. For 15 to 120 concurrent VoIP calls, this cost-effective media gateway connects existing PBX systems with advanced IP telephony services and the PSTN.