| 
			 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 
			 |