JR-904 four ports voice gateway supports SIP or H.323 protocols. It is compatible with various IPPBX and VoIP voice gateway to provide broadband IP voice service.
vSupport 4 SIP lines.
vSupport T.38 FAX.
vAuto upgrade firmware and configuration file through HTTP, FTP, TFTP.
vSupport Call forward / transfer / holding / waiting.
vSupport conference call and voice record.
vSupport VPN and VLAN.
vBuilt in router and bridge mode.