z
16ms echo cancellation
z
Dynamic buffer management—minimize effect to voice quality caused by audio delay jitter
9.2 Standard and Protocol
z
IEEE 802.3 10 Base-T
z
G.711A, G.711µ, G.723.1 5.3K/6.3 Kbps and G.729 audio codec
z
H.323
z
Abbreviation dial plan
z
TCP/IP: Internet Transport and Control Protocol
z
RTP: Real-time Transport Protocol
z
RTCP: Real-time Control Protocol
z
G.723.1
、
G.729 VAD/CNG economical bandwidth
z
G.165 16ms Echo cancel
z
DTMF
：
DTMF Tone Generate and Detection
z
DHCP: Dynamic Host Configuration Protocol
z
DNS:Domain Name Server
z
NTS: Network Time service
z
HTTP: Hyper Text Transfer protocol
z
FTP File Transfer Protocol
z
Build in H323 proxy support
9.3 Specification
z
180 x 160 x 92 mm (L x W x H)
9.4 Electric Characteristics
z
Voltage: 12V DC, 500mA
z
Power adapter: AD/DC input 100~120V (USA, Japan etc.) or 220~240V (China, Europe etc.) or
100~240V,47-63Hz
z
Network interface: IEEE 802.3 10 Base-T
z
EMC: FCC Part15 CLASS B
9.5 Operational Environment
z
Operational temperature: 0 to 50° C (32° to 122° F)
z
Storage temperature: -30° to 65° C (-22° to 149° F)
z
Humidity: 10% to 90% no dew
9.6 Recommend usage net condition
z
Delay:
Less than 400ms
z
Jitter: Less
than
100ms
z
Package lost percent: Less than 10%
z
Bandwidth: More than 30Kbps
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
Summary of Contents for Netphone KE1020A
Page 1: ...Netphone KE1020A KE1021A User s Manual...
Page 15: ......
