Analogue Line Interface | I/F connector | RJ11 x 1 |
Dialling | Dial Pulse (DP) 10pps, 20pps Tone (DTMF) Dialing |
Ethernet Interface | I/F connector | RJ45 x 1 |
Transceiver type | 10/100Base-T, Auto MDI/MDX |
General purpose Interface | USB Interface | USB2.0 (Low/Full speed) Device Function x 1 |
SD slot | 1 |
Audio Line In/Out | ø3.5mm mini-jack x 1 |
Microphone Interface | I/F connector | RJ9 x 2 |
Interface | 4 Wire (Power, GND, MIC-Mute, MIC-Signal-Input) |
Audio Interface | Loudspeaker | 1 |
Speaker volume | 8 steps |
Range of frequency | 300Hz - 7000Hz |
Stereo/mono | mono |
Internal microphone | 2 element microphone arrays x 4 corners |
Microphone coverage | Radius of 3m |
Range of frequency | 300Hz - 7000Hz |
S/N Ratio | Above 58dB at 1kHz |
Chassis | Dimensions (W x H x D) | 275mm x 55mm x 275mm |
Weight | 1300g |
Power supply | AC Adapter | Iinput: 220-240VAC Output : DC9V 750mA |
PoE | IEEE802.3af compliant |
Signalling Protocol | SIP | RFC3261 and companion RFCs |
VoIP | CODEC | G.711(A/u), G.729a, G.722 (64kbps) |
PLC | Yes (G.711 only) |
Jitter buffer | Max 500ms (G.729a) |
QoS | IEEE 802.1 P / Q, Layer 3 TOS, Diffserv |
Network | TCP / IP, UDP, RTP | Yes |
FTP client | Yes |
DHCP client | Yes |
Telephone | Calendar | Yes |
Phonebook | 100 |
Dialer Storage Capacity | 32 |
Mute | Yes |
Flash | Yes |
Pause | Yes |
Redial | Yes |
History Redial | 10 |
Ringer Patterns | 3 |
Ringer Volume | Off, Low, Middle, High |
SP-Phone Volume | 8 steps |
Programmable Tone/Pulse | Yes |
Multi Point Conferencing | 3 points |
All/Individual Disconnect | Yes |
Conference Recording | Recording time period | 120 Minute (64MB SD Card) |
Number of recorded data | Maximum 100 |
Speakerphone | Speech speed conversion | Conversation mode, Listen mode |
Mic Noise Cut | Two setting (High / Low) |
Acoustic echo cancellation | Yes (128ms,-30dB) |
Line echo cancellation | Yes (16ms - 32ms,-30dB) |
AGC | Yes |