Grandstream GXW4501 is a gateway that converts digital phone signals to VoIP, letting you integrate your legacy equipment with your IP phone system. GXW4501 translates calls using the digital T1, E1, and J1 standards to SIP. It can handle up to 30 simultaneous calls. GXW4501 also supports the T.38 Fax Over IP protocol, so you can integrate legacy fax machines.
GXW4501 features dual Gigabit Ethernet ports with an integrated NAT router to provide futureproof speed. TLS and SRTP encryption secures your calls, providing enterprise-class protection. GXW4501 is intended for rack or desktop mounting.