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Standards:
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- Compliant with IETF SIP RFC3261
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Voice Handling:
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- G.711 a/law audio codec and ther options
- AGC, CNG, and VAD (silence suppression)
- Acoustic Echo Cancellation (G.165, G.167)
- Adaptive jitter buffering.
- In-band and out-band (RFC2833) DTMF
- Volume adjustment to speaker, microphone, Ring, tone and handset
- User-programmable ring tone table support
- Full-duplex hand-free speakerphone (*)
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Dialing Methods:
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- On-hook (hand-free) dialing
- Redial key dialing the last dialed numbers
- Phone-book and call record dialing
- Extension number dialing thru Server
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Call Features:
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- Basic call functions
- Digest Authentication during Registration
- Power-on and periodic Registration
- Supplementary call services:
line/call appearance, Call Hold/Release, all forward (no answer, busy, unconditional)
all transfer (blinded/attended), call waiting
all park/pickup, call waiting indication
message waiting indication, Distinctive ring one alert, one alert, Call conference by phone, Call conference by server, Caller ID and call offer/answer etc.
- Redial and Speed-dial
- Phone Book and Call record
- Do Not Disturb and Auto-answer function
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Configuration and Management:
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- Local Configuration with Keypad / LCD display
- Remote Configuration thru Web-based management
- Telnet command line configuration supported
- Powerful IP phone Tools utility supported for enterprise administrator(*)
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Display:
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- 32 characters LCD display (2 lines with 16 characters each)
- Supports Time/date, Call timer, Caller ID and Phone mode status display
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Feature Keys:
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- 3 context-sensitive soft keys
- 5 programmable feature buttons
- 6 fixed keys: Hold, transfer, mute, redial, message waiting and speaker.
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Network Protocols:
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- TCP/IP, UDP, RTP, RTCP, DHCP client, Ping, DNS client, SNTP client, Telnet Server, Web server, TFTP/FTP client, PPPoE, STUN NAT traversal, SNMP V2 / SIP Mib(*) support
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Connectors:
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- One LAN port for WAN internet access
- One PC port for user PC or subnet segment
- One Power jack
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| LED indicators: |
- One LAN link LED
- One LAN activity indication LED
- One Message Waiting Indication LED
- One Speakerphone (line 1) LED
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| LAN Port: |
- Dual10M BaseT/100M BaseTx RJ-45 connectors
- QoS (VLAN 802.1p and 802.1q) support
- ToS (Diffserv) support
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| Power Supply: |
- 9V DC / 900mA linear power adapter
- Standard 5mm diameter DC jack
- 5 plug types for different countries available(*)
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