Multiple Voice Control Protocols IP Phone,Wholesale Multiple Voice Control Protocols IP Phone

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Multiple Voice Control Protocols IP Phone

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Description : PHONE series IP phone adopts multiple voice control protocols and voice compression coding methods to directly convert analog voice into IP packet for internet transport, thus effectively using the existing bandwidth to provide PSTN quality voice service.

SKU : IP-Phone-820H

PHONE series IP phone adopts multiple voice control protocols and voice compression coding methods to directly convert analog voice into IP packet for internet transport, thus effectively using the existing bandwidth to provide PSTN quality voice service.
supports IAX2,SIP,protocols,Support Bridge and Router model.Support IAX2 and dual public server, offers Two Ethernet interface and is compatible with various softswitch systems and VoIP voice gateways to provide broadband IP voice service.
Enterprise, small office and residential applications
Key features:
voice Features
call hold;
Unattended/ attended call transfer
call waiting and per call-waiting blocking
call forward (Always, busy, no answer, power off)
voip speed dial
VoIP digital map
user define ring tone
E.164 dial plan and customize dial rules
caller number/name display
voice promote
configurable jitter buffer size
configurable audio frame
Support Bridge and Router model
Support Headset
Support IAX2 and dual sip public server
data features
Static/Dynamic WAN-IP-Addressing
PPPoE

management and provisioning
http, telnet, keypad
adjustable user password and super password
URL based FTP,HTTP and TFTP auto provision
Configure file download and upload by
support four settings storage, switch by keypad
safe mode provide reliability
four servers store and load by keypad
80 entries each for missed calls, answered calls and dialed calls
100 entries for speed dial number
Multiply Language support

Interfaces
1 X WAN
1 X LAN
Supported specification and applications
data networking
MAC Address
TCP:Transmission Control Protocol
DHCP:Dynamic Host Configuration Protocol
PPPoEPPP Protocol over Ethernet
SNTP, Simple Network Time Protocol
STUN - Simple Traversal of User Datagram ...
TOS:Type of service
DNSDomain Name Server
Support Bridge and Router model.
RTP: Real-time Transport Protocol
RTCP:Real-time Control Protocol
Telnet:Internet's remote login protocol
HTTP:Hyper Text Transfer protocol
FTP:File Transfer protocol
TFTP:Trivial File Transfer Protocol
call control /voip Features
SIP RFC3261
H323
Tone generation and Local DTMF re-generation according with ITU-T
voice algorithms
G.711(A-law or u-law)
G.723.1(6.3kbps,5.3 kbps)
G729/iLBC
AGC(Auto Gain Control)
G.168/165 compliant 16ms echo cancellation
AEC(Auto Echo Cancellation)
VAD (Voice Activity Detection)
CNG(Comfort Noise Generation)
Enviromental
Electric requirements
Voltage: 5V ~ 24V
Power adapter: output DC 5V/800 mA
Operating requirement
Operation temperature: 0 to 40? C ( 32? to 104?F)
Storage temperature: -30? to 65? C (-22? to 149?F)
Humidity: 10 to 90% no dew

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