Grandstream gxw4502 key features
dual gigabit autosensing rj45 network ports with integrated nat router
tls and srtp security encryption technology to protect calls and accounts
automated provisioning by http/tftp with xml config files
software configurable e1/t1/j1 ports, support pri, ss7, mfc r2
supports a wide range of voice codecs, including g.722, g.729, ilbc, and more
supports t.38 fax for creating faxover-ip
supports multi-language voice prompts
supports 60 concurrent calls
the gxw4502 supports pri, ss7 and mfc r2 digital signalling protocols and nearly all major voice codecs including opus, g.722, g.711, g.729, g.723, ilbc, g.726, gsm-fr, etc. this digital voip gateway includes dual gigabit network ports with a configurable integrated nat router, two usb 3.0 ports, and one sd card interface.