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Grandstream GXW4504 is a four-port VoIP gateway for integrating digital endpoints with an IP phone system. GXW4504 translates calls that are using the digital T1, E1, and J1 standards to the open SIP protocol, letting you control your legacy phones via a VoIP phone system. It can handle up to an incredible 120 simultaneous calls. GXW4504 supports the T.38 Fax Over IP protocol to let you connect digital fax machines, as well.
GXW4504 has two Gigabit Ethernet ports and an integrated NAT router, providing top-class speed and bandwidth. Your calls are secured with enterprise-class TLS and SRTP encryption. Optimize data traffic using QoS controls. GXW4504 is intended for rack or desktop mounting.
