Grandstream GXW4501 E1/T1/J1 Digital VoIP GatewayThe Grandstream GXW4501 is a high-performance Digital VoIP Gateway designed to seamlessly integrate traditional PBX systems or E1/T1/J1 providers with VoIP networks. Supporting 30 concurrent calls significantly expands the number of PSTN/ISDN trunks available within a VoIP infrastructure. This makes it ideal for businesses looking to modernize their communication systems.The GXW4501 is built for seamless interoperability, supporting major digital signaling protocols (PRI, SS7, MFC R2) and an extensive range of voice codecs (Opus, G.722, G.711, G.729, G.723, iLBC, G.726, GSM-FR, etc.). It features dual Gigabit ports, an integrated NAT router, two USB 3.0 ports, and an SD card interface for added flexibility.With advanced capabilities such as echo cancellation, jitter buffer, T.38 fax support, and robust security encryption. The GXW4501 is an ideal solution for large and medium enterprises seeking a scalable and secure VoIP gateway.FeaturesDual Gigabit auto-sensing RJ45 network ports with an integrated NAT routerTLS and SRTP security encryption for secure call and account protectionAutomated provisioning via HTTP/TFTP with XML configuration filesSoftware-configurable E1/T1/J1 ports, supporting PRI, SS7, and MFC R2 protocolsWide codec support, including G.722, G.729, iLBC, Opus, and moreT.38 Fax support for reliable Fax-over-IP transmissionMultilingual voice prompts for flexible user interactionHandles up to 30 concurrent calls efficientlyQUICK LINKSPanasonic KX-NS5172X 16 Port Digital Extension CardGrandstream GXW4224 FXS Analog VoIP GatewayGrandstream GXW4232 FXS Analog VoIP GatewayGrandstream GXW4248 FXS Analog VoIP Gateway
