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• Two RJ45 ports, WAN and LAN
• One power port
• Headset port with RJ-9 jack
• SIP 2.0, DHCP, TCP/IP, RTP/RTCP, DNS, TFTP, HTTP, FTP
• Static IP, DHCP Connect Mode
• 2 x 16 Character-based LCD display
• 6 LED indicators (including MWI)
• Operation temperature: 0ºC to 40ºC (32ºF to 104ºF)
• Configuration and management
- Keypad configuration
- WEB configuration
- Manual download configuration file via HTTP
- Manual downloads firmware via HTTP
- Build mass configuration file and Auto download the files via HTTP, FTP or TFTP
- Auto downloads firmware via HTTP, FTP or TFTP
• PoE 802.3af |
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• Three-way calling (conference)
• Supports codec: G.711 a/u law, G.729, G.723.1
• Phonebook, 200 entries at most
• Call Hold, Call Waiting, Call Transfer (Blinded & Attended),
Call Forward
• Voice mail indicator
• Volume control, Mute
• Ring back tone of many different countries and areas
• 11 Ring-tones |
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• 1 line appearances
• Support for G.711a/μ, G.729, G.723.1 (5.3/6.3K), G.722
(wide-band), G.726 (32K), iLBC and GSM
• In-band and out-of-band DTMF transfer (In-band, RFC2833, SIP INFO)
• Dual 10/100Mbit/s Full/Half Duplex auto detecting
Ethernet ports
• 4 line x 18 character; 128x32 in pixels display
• 4 LED indicator:1 MWI、2 LINE、7 MUTE
• 6 Configuration via Keypad
• Support NAT traversal using IETF STUN
• Static IP, PPPoE, DHCP
• Support Layer 2 (802.1Q, VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ) |
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• Support manual firmware upgrade via TFTP or HTTP.
• Supports codec: G.711 a/u law, G.729, G.723.1Support Auto batch firmware upgrade via HTTPPhonebook, 200 entries at most
• Message waiting indication
• Headset enabled
• Support DNS SRV Look up and SIP Server Fail Over
• Acoustic Echo Cancellation (AEC) for Handfree and
Handset mode
• Silence Suppression, voice activity detection (VAD), comfort noise generation (CNG), automatic gain control (ANG) |
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• 1 line appearances
• Support for G.711a/μ, G.729, G.723.1 (5.3/6.3K), G.722
(wide-band), G.726 (32K), iLBC and GSM
• In-band and out-of-band DTMF transfer (In-band, RFC2833, SIP INFO)
• Dual 10/100Mbit/s Full/Half Duplex auto detecting
Ethernet ports
• 4 line x 18 character; 128x32 in pixels display
• 4 LED indicator:1 MWI、2 LINE、7 MUTE
• 6 Configuration via Keypad
• Support NAT traversal using IETF STUN
• Static IP, PPPoE, DHCP
• Support Layer 2 (802.1Q, VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ) |
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• Three-way calling (conference)
• Voice mail indicator
• Call Hold, Call Waiting, Call Transfer (Blinded & Attended),
Call Forward
• Redial, Speed dial (ten numbers)
• Caller ID display, DND (Do not Disturb), Limit list, Auto answer, Refuse call
• Call log and Dial from Call log
• Supports codec G.711 a/u law, G.729, G.723.1 |
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• 4 direct lines with 7 speed dial keys; up to 11 line calls
• Support NAT traversal using IETF STUN network
• Static IP, PPPoE, DHCP
• Support Layer 2 (802.1Q, VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ)
• Support manual firmware upgrade via TFTP or HTTP.
• Support Auto batch firmware upgrade via HTTP
• Dual 10/100Mbit/s Full/Half Duplex auto detecting
Ethernet ports
• 8 line x 22 character; 131x64 in pixels
• 12 LED indicator:1 MWI、4 LINE、7 speed dial
• PoE IEEE 802.3af standard can draw power from either spare lines or signal lines from Ethernet |
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• Voice mail indicator
• Downloadable customized Ring-tone
• Call Hold, Call Transfer (attended/blind), Call
Forwarding, Do-Not-Disturb and Mute
• Redial; call log, and volume control
• Caller ID display
• Call waiting, Caller ID display during call waiting
• Full-duplex handfree speakerphone |
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• 2 line appearances with dual-color LED and 2 independent SIP accounts
• Dual 10/100Mbit/s Full/Half Duplex auto detecting
Ethernet ports
• 4 line x 18 character; 128x32 in pixels
• 4 LED indicator:1 MWI、2 LINE、1 MUTE
• Support NAT traversal using IETF STUN
• Static IP, PPPoE, DHCP
• Support Layer 2 (802.1Q, VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ)
• PoE IEEE 802.3af standard can draw power from either spare lines or signal lines from Ethernet
• Operation temperature: -10ºC to 40ºC
• Relative humidity: 10 to 90% non-condensing |
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• Support for G.711a/μ, G.729, G.723.1 (5.3/6.3K), G.722
(wide-band), G.726 (32K), iLBC and GSM
• In-band and out-of-band DTMF transfer (In-band, RFC2833,
SIP INFO)
• 8 dedicated keys: Message Button, Hold, Transfer, Conference, Speakerphone, Send/Redial, Mute, Headset |
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