Grandstream Gxw4501 Digital Voip Gateway (E1/T1/J1)

The grandstream gxw4501 is a professional-grade digital voip gateway designed to connect traditional e1/t1/j1 telecom lines to ip-based sip networks. it is ideal for enterprises migrating from legacy pri systems to modern voip infrastructure. key features & specifications • 1 × e1/t1/j1 digital telephony interface • supports up to 30 simultaneous calls • 2 × gigabit ethernet ports ( mbps) • advanced sip-to-pri gateway functionality • high-quality voice codecs: g.711, g.722, g.729a/b, g.726, opus • echo cancellation and jitter buffering • t.38 fax-over-ip support • secure voip communication with tls & srtp • multiple sip profiles and trunk support • web-based configuration and monitoring interface • auto provisioning (tr-069, http, https, xml)