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YWH202 Phone
System features
Support two sip servers running at the same time.
Provide one backup SIP server
Support NAT,Firewall
Support DHCP client and server.
Large 2*16 LCD with blue back light
Support PPPoE, (used for ADSL, cable modem connecting).
Upgrade firmware through HTTP, FTP or TFTP.
E.164 dial plan and customized dial rules
Support Inband audio,RFC2833 and SIP info etc. transmit by DTMF
Hotline.
Call Forward, Call Transfer, 3-way conference calls
Call ID display
DND(Do Not Disturb),Black List,Limit List
Set by HTTP web browser (IE6.0)
Telnet remote management.
Adjustable user password and super password
voice Features
G.711a/u
G.723.1 5.3/6.3k
G729
VAD (Voice Activity Detection)
CNG(Comfort Noise Generation)
AEC(Auto Echo Cancellation)
Tone generation and Local DTMF re-generation according with ITU-T
VOIP Features
H323 SIP IAX2
802.3/802.3U 10 Base T/100 Base TX
IEEE 802.IP/Q Tag VLAN
TCP(RFC793) IP(RFC791) UDP(RFC768)
ICMP(rFC792) ARP(RFC826) SNTP(RFC2030)
Telent(RFC318) HTTP(RFC2616)
DHCP(RFC2131) FTP(RFC959)TFTP(RFC1350)
PPPoE(RFC2516) DNS(RFC1034,RFC1035)
RTP&RTCP(RFC1889)
Enviromental requirement
Operation temperature: 0 to 50° C ( 32° to 122°F)
Storage temperature: -30° to 65° C (-22° to 149°F)
Relative Humidity: 10 -95%
Atmosphere pressure 86-106Kpa
Overall size:195×175×85mm(L×W×H)
Electric requirements
Voltage: 9V
Power:3.15W(max.)
Power adapter: input AC 100-220V,output DC 9V 500mA
Interfaces :2 X RJ45 Ethernet connector
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