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Protocols/Standards
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SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS (A record, SRV, NAPTR)
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Network Interfaces
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Dual switched auto-sensing 10/100 Mbps Ethernet ports
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Graphic Display
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132 x 48 backlit graphical LCD display
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Feature Keys
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2 line keys with dual-color LED and 2 SIP accounts,
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Voice Codecs
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G.711μ/a, G.722 (wideband), G.723, G.726-32, G.729 A/B, in-band and out-of-band DTMF, VAD, CNG, AEC, PLC, AJB, AGC
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Telephony Features
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Hold, transfer, forward (unconditional/no-answer/busy), 3-way conferencing, call park/pickup, call waiting, off-hook auto dial, auto answer.
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Phone book
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downloadable; XML, LDAP, up to 500 items
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Call history
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Up to 200 records
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Headset Jack
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RJ9 headset jack (allowing EHS with Plantronics headsets)
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HD Audio
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Yes, HD handset and speakerphone with support for wideband audio
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RESOURCES
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