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| 网络语音闸道器
VOIP GATEWAY |
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| IPS-1000 |
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语音端口数目
2-port/4-port/8-port/16-port
实时传真转送
T.30/T.38
FXS接口
Loop start, 2 wire
FXO接口
Loop start, 2 wire
连接接口
RJ-11 Connectors (IPS-1000 2-port/4-port)
语音压缩
G.711/G.723/G.729AB
>>详细内容 |
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| IPS-2000Plus |
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通话通讯协定
SIP v1 (RFC 2543), v2 (RFC 3261)
语音界面
FXS/FXO port (RJ-11 * 2)
语音规格
G.711 (64k bit/s, PCM)...etc
回音消除
Packet Loss Compensation, Adaptive Jitter Buffer,
VAD (Voice activity detection), CNG (Comfortable
noise generator), AEC (Acoustic echo canceller),
G.165 (LEC, Line echo canceller), G.168 (EC, Digital
network echo canceller)
>>详细内容
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| IPS-2101H |
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呼叫控制协定
SIP (RFC-3261)或H.323 V4 或MGCP
语音压缩
G.711 A/μ -Law, G.723.1, G.729A/B/AB
回音消除
G.165/G.167 16ms
延迟
(点对点) < 100ms
通话平均流量
14K(G.723.1) ~ 51K(G.729) BPS
>>详细内容
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