Executive IP Phone

Grandstream executive HD telephone 6 dual-color line keys (with 6 SIP accounts), 4 XML programmable context-sensitive soft keys, up to 5-way conferencing, and up to 13 call appearances with 7 dual-color BLF extension keys HD wideband audio, superb full-duplex hands-free speakerphone with advanced acoustic echo cancellation and excellent double-talk performance Optional add-on line expansion modules with an extra 112 extension keys for receptionist and heavy call center requirements Support 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 Generous 320x160 pixel backlit graphical LCD display with up to 8 level grayscale 6 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) Full duplex speakerphone w/advanced audio echo cancellation Headset jack (2.5 mm and RJ9) for broad headset compatibility Large phonebook (up to 2,000 contacts) and call history (up to 2,000 records) Automated provisioning using TR-069 or encrypted XML configuration file, SRTP and TLS for advanced security protection, 802.1x for media access control Automated personal information service (e.g., local weather, stock, currencies, RSS news, etc), personalized music ring tone/ring back tone/music-on-hold, flexible customizable screen content & format using XML, and advanced Web and enterprise applications integration (pending) And many more enterprise grade features SIP Compliance and protocols - SIP, TCP/IP/UDP, RTP/RTCP, HTTP, ARP, ICMP, DNS (A record and SRV), DHCP, PPPoE, TFTP, NTP, etc. Dual 10/100mbps Ethernet ports Voice codecs - G.711 (a/u-law), G.723.1, G.729A/B, G.726, iLBC, and G.722 (wideband) Superb Audio Quality - Advanced Digital Signal Processing (DSP), Silence suppression, VAD, CNG, AGC high fidelity wideband audio (G.722). HD handset Custom ringtone software - Convert most music files to a Grandstream ringtone Advanced functionality - Multi-line support, multi-party conferencing (5-way), multi-language support (MLS), headset enabled, expandable, intercom, AES encryption, etc. Cost-effective IP solution - small to medium enterprise office IP phone GSGXP2120

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