voip phone --JR-820

JR-820 IP phone is an internet based voice network phone terminal. It adopts multiple voice control protocols and voice compression coding methods to directly convert analog voice into IP packet for internet transport, thus effectively using the existing bandwidth to provide PSTN quality voice service.

Support IAX2/SIP.
Support register two SIP accounts and one IAX2 account simultaneously.
Auto upgrade firmware and configuration file through HTTP, FTP, TFTP.
Support transfer / holding / waiting/ conference and voice mail.
Offer 8 typs of ring tone.
Support VPN and VLAN.
Built in router and bridge mode.

• ip phone --JR-820PH(Support Power over Ethernet and headset)
• ATA --JR-904(Support 4 SIP lines./ Support T.38 FAX.)
• voip phone --JR-860(Support IAX2 and dual public server)
• sip phone --JR-810(Support register two SIP accounts and one IAX2 account simultaneously.)
• ip ATA --JR-901+(Support SIP and dual public server )
• voip ATA --JR-901(Support SIP 2.0 / Support IAX2 )
• ip phone --JR-850(support 5 sip server )
• ip phone --JR-840(Support four SIP lines and Power over Ethernet.)
• voip phone --JR-900(Unattended/ attended call transfer.)