Grandstream GXW4504 Digital VoIP GatewayThe Grandstream GXW4504 is a high-capacity Digital VoIP Gateway designed to integrate traditional PBX systems or E1/T1/J1 providers with VoIP networks. Featuring 4 RJ45 ports and support for 120 concurrent calls, it significantly expands the number of PSTN/ISDN trunks available within a VoIP infrastructure, making it an excellent choice for businesses looking to enhance their communication capabilities.The GXW4504 ensures seamless interoperability, supporting major digital signaling protocols (PRI, SS7, MFC R2) and a comprehensive range of voice codecs (Opus, G.722, G.711, G.729, G.723, iLBC, G.726, GSM-FR, etc.). It features dual Gigabit network ports, a configurable NAT router, two USB 3.0 ports, and an SD card interface for added flexibility.With advanced features such as echo cancellation, jitter buffer, T.38 fax support, and strong security encryption. The GXW4504 is a powerful and scalable solution for medium to large enterprises seeking to optimize their VoIP communications.FeaturesDual Gigabit auto-sensing RJ45 network ports with an integrated NAT routerTLS and SRTP encryption for secure call protection and account securityAutomated 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 transmissionMulti-language voice prompts for enhanced user experienceHandles up to 120 concurrent calls for high volume communicationsQUICK LINKSGrandstream GXW4502 E1/T1/J1 Digital VoIP GatewayPanasonic KX-NS5172X 16 Port Digital Extension CardGrandstream GXW4224 FXS Analog VoIP GatewayGrandstream GXW4232 FXS Analog VoIP GatewayGrandstream GXW4501 E1/T1/J1 Digital VoIP Gateway
