The Patton SmartNode 4638 (SN4638/5BIS/EUI) is a professional 5-port ISDN BRI VoIP Gateway, brand new in open box. Supports 10 simultaneous voice calls, SIP trunking, and seamless legacy PBX integration. Read more.
Bridge legacy ISDN telephony systems with modern IP infrastructure using the Patton SmartNode 4638 VoIP Gateway (SN4638/5BIS/EUI), brand new in an open box. Featuring 5 ISDN BRI ports (up to 10 voice channels) and 2 Fast Ethernet ports, it provides a smooth migration path for connecting traditional PBX systems to SIP trunks. Powered by Patton's reliable Trinity OS, it ensures high-quality voice calls (QoS), complex call routing, and enterprise-grade security. Supplied unused in open box.
