| General Features: | 2x SIP accounts | Call hold, mute, DND | One-touch speed dial, hotline | Call forward, call waiting, call transfer | Redial, call return, auto answer | 5-way conferencing | XML Browser | Direct IP call | Custom ring tones / provisioning | Set date time automatically or manually | Dial plan per account | RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035) | Action URL/UR |
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| IP-PBX Features: | Busy Lamp Field (BLF) | Call park / pickup | Music on hold | Voicemail | Anonymous call / rejection | Message waiting indicator | Intercom, paging | Follow me / DND | Conference rooms | Time conditions | Queues | Presence | Queue agents | Hot-desking | Call Flow | Contacts |
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| Voice Codecs Features | HD voice: HD handset, HD speaker | Codecs: iLBC, G.722, G.711(A/μ), GSM_FR, G.723, G.729AB, G.726-32 | DTMF In-band, RFC 2833, SIP INFO | Full-duplex hands-free speakerphone with AEC | VAD, AGC, CNG, AEC, PLC, AJB |
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| Display & Indicator: | 192 x 64 pixel graphical LCD with backlight | LED for call and message waiting indication | Caller ID with name, number and photo | Dual-color illuminated LEDs for line status information |
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| Feature Keys: | 4 line keys with dual-color LED: 15 programmable features (5-pageview) | 6 feature keys: headset, speaker, hold, mute, transfer, conference | 6 navigation keys | 4 context-sensitive “soft” keys | Volume control keys |
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| Certifications: | FCC Class B, CE |
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| Interface | Dual-port 10/100 Mbps Ethernet | 1x RJ9 (4P4C) handset port | 1x RJ9 (4P4C) headset port | Power over Ethernet (IEEE 802.3af) (PoE), class 3 |
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| Management: | Configuration: Browser / LCD-menu / auto-provision | Auto-provision via HTTP / HTTPS, FTP / TFTP | Auto-provision with PnP | Login / Logout (Hot-desking) | Reset to factory, restart, reboot | Local tracing log export, system log | Phone lock for personal privacy protection |
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| Network & Security: | SIP v1 (RFC2543), v2 (RFC3261) | SIP server / proxy redundancy | NAT Traversal:STUN mode | DHCP / static / PPPoE | HTTP / HTTPS web server | Time and date synchronization by SNTP | DNS-NAPTR/DNS- SRV (RFC 3263) | IEEE802.1X | TLS (Transport Layer Security) | Open VPN | QoS:802.1p/Q tagging (VLAN):Layer 3 ToS DSCP | HTTPS certificate manager | AES encryption for configuration file | Digest authentication using MD5/MD5-sess |
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| Physical Features: | Shipping dimensions:205mm (W) x 194mm (D) x 105mm (H) | Shipping weight:.91kgs (2lbs) | Wall mountable | Stand with 3 adjustable angles | Power consumption (PSU):2.0~4.6W | Power consumption (PoE):2.5~5.5W | Operating humidity:10~95% | Operating temperature:-10~50°C |
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