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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 Ether ports w/integrated Power-over-Ether (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 patibility- Large phonebook (up to 2000 contacts) and call history (up to 2000 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 proto |
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Features |
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| - 6 dual-color line keys (with 6 SIP accounts), 4 XML programmable context-sensitive soft keys, up to 5-way conference, 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
- Integrated real-time web applications (weather, stock, currency, RSS news, etc.)
- Large phonebook (up to 2,000 contacts) and call history (up to 2,000 records)
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