Addtron Technology Netphone KE1020A, Руководство пользователя

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