Addtron Technology Netphone KE1021A User Manual - Page 14
Browse online or download pdf User Manual for IP Phone Addtron Technology Netphone KE1021A. Addtron Technology Netphone KE1021A 15 pages. Addtron technology netphone ke1020a/ke1021a user's manual
Print Page16ms echo cancellation
Dynamic buffer management—minimize effect to voice quality caused by audio delay jitter
9.2 Standard and Protocol
IEEE 802.3 10 Base-T
G.711A, G.711µ, G.723.1 5.3K/6.3 Kbps and G.729 audio codec
H.323
Abbreviation dial plan
TCP/IP: Internet Transport and Control Protocol
RTP: Real-time Transport Protocol
RTCP: Real-time Control Protocol
G.723.1、G.729 VAD/CNG economical bandwidth
G.165 16ms Echo cancel
DTMF：DTMF Tone Generate and Detection
DHCP: Dynamic Host Configuration Protocol
DNS:Domain Name Server
NTS: Network Time service
HTTP: Hyper Text Transfer protocol
FTP File Transfer Protocol
Build in H323 proxy support
9.3 Specification
180 x 160 x 92 mm (L x W x H)
9.4 Electric Characteristics
Voltage: 12V DC, 500mA
Power adapter: AD/DC input 100~120V (USA, Japan etc.) or 220~240V (China, Europe etc.) or
100~240V,47-63Hz
Network interface: IEEE 802.3 10 Base-T
EMC: FCC Part15 CLASS B
9.5 Operational Environment
Operational temperature: 0 to 50° C (32° to 122° F)
Storage temperature: -30° to 65° C (-22° to 149° F)
Humidity: 10% to 90% no dew
9.6 Recommend usage net condition
Delay:
Jitter:
Package lost percent: Less than 10%
Bandwidth:
Safety Warning: Please do not place this product under fire and high temperature. Avoid heavy impact, and
do not leave the product in rainy or highly humid environments!
10. Installation Options
Less than 400ms
Less than 100ms
More than 30Kbps