6-line VOIP SIP Phone

Call Features & Benefits6 lines indicators with individual SIP account profiles 7 programmable hard keys and 4 XML programmable context-sensitive soft keys Multi-line support of up to 13 call appearance lines with dual-color LED indicators Expandable to additional 112 lines through expansion key-modules Support Caller ID display or block, per call or permanent Call waiting, hold, mute, transfer (blind or attended), forward, and more Multi-party conferencing (up to 5-way) And many more enterprise grade features GXP2020 6-line Enterprise VOIP SIP Phone TheVOIP Enterprise IP Phones GXP2020 is ideal for both the executive office, advanced enterprise users and busy call centers needing advanced functionality such as xml capabilities. The GXP2020 provides excellent voice clarity, a comprehensive set of advanced call features, multi-language support, security protection, automated provisioning, and broad compatibility with leading SIP platforms. »7 programmable hard keys and 4 XML programmable context-sensitive soft keys enhances productivity and efficiency » Dual switched 10M/100Mbps auto-sensing Ethernet ports » Integrated PoE and broad compatibility with leading SIP platforms Features & BenefitsTechnical Features & BenefitsSupport SIP (RFC3261), TCP/IP/UDP, RTP/RTCP, HTTP, ARP, ICMP, DNS (A record and SRV), DHCP(both client and server), PPPoE, TFTP, NTP Dual switched 10/100Mbps Ethernet ports w/integrated Power-over-Ethernet (802.3af) Support NAT traversal (STUN, etc), server fail-over, SIP presence (SIMPLE), and more Backlit 320x160 high resolution graphic LCD with multi-level grey scales Handset Features & BenefitsFull duplex speakerphone w/advanced audio echo cancellation Headset jack (2.5 mm and RJ11) for broad headset compatibility Secure and automated provisioning for mass deployment SRTP for privacy protection And many more enterprise grade features Feature SpecificationsSIP Compliant and ProtocolsSIP, TCP/IP/UDP, RTP/RTCP, HTTP, ARP, ICMP, DNS (A record and SRV), DHCP(both client and server), PPPoE, TFTP, NTP, etc.Networking InterfacesDual 10/100mbps Ethernet ports.Voice CodecsG.711 (a/u-law), G.723.1, G.729A/B, G.726, GSM, iLBC, and G.722 (wideband).Superb Audio QualityAdvanced Digital Signal Processing (DSP), Silence suppression, VAD, CNG, AGChigh fidelity wideband audio (G.722).Custom Ringtone SoftwareConvert most music files to a Grandstream ringtone.Advanced FunctionalityMulti-line support, multi-party conferencing (5-way), multi-language support (MLS), headset enabled, expandable, intercom, AES encryption, etc.