Grandstream GXP2120 - 6 linija, PoE, HD Audio

The GXP2120 Executive HD telephone features 6 lines, a generous 320x160 backlit graphical LCD, 4 XML programmable context-sensitive soft keys, 7 XML programmable BLF extension keys, dual network ports with integrated PoE, and 5-way conferencing. Delivering superior HD audio quality, rich telephony features, personalized information and customizable application services, the GXP2120 is the perfect choice for enterprise users looking for a high quality, feature rich multi-line executive IP phone with advanced functionalities and performance. The GXP2120 also supports automated provisioning for easy deployment, advanced security protection for privacy, and broad interoperability with most 3rd party SIP devices and leading SIP/NGN/IMS platforms. 

• 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

Features:

• 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 RJ11) 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)

Specifications:

• SIP Compliant and Protocols     SIP, TCP/IP/UDP, RTP/RTCP, HTTP, ARP, ICMP, DNS (A record and SRV), DHCP, PPPoE, TFTP, NTP, etc.
• Networking Interfaces     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