語音網關1（T1/E1 總結）

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IP (包含signal and media )and Legacy voice

國內 digital 用 E1 (PRI 30B+D) , 國外 T1

類比 fxs/fxo, fxs接終端，fxo:接局端

ISDN: 兩種介面 BRI 基本數率介面(64k，已淘汰)和PRI 基群速率介面 (T1 1.544 或 E12.048 mbps)

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650) this.width=650;" title="Digit interface card" style="border-top:0px;border-right:0px;background-image:none;border-bottom:0px;padding-top:0px;padding-left:0px;border-left:0px;padding-right:0px;" alt="Digit interface card" src="http://s3.51cto.com/wyfs02/M01/89/83/wKiom1gV6cyRDMq0AAJzR6ICiMg373.png" border="0" height="448" />

 

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650) this.width=650;" title="fxs voice port" style="border-top:0px;border-right:0px;background-image:none;border-bottom:0px;padding-top:0px;padding-left:0px;border-left:0px;padding-right:0px;" alt="fxs voice port" src="http://s3.51cto.com/wyfs02/M02/89/81/wKioL1gV6dHgnspAAAJh0mPHlV4779.png" border="0" height="435" />

 

650) this.width=650;" title="fxo pstn trunk" style="border-top:0px;border-right:0px;background-image:none;border-bottom:0px;padding-top:0px;padding-left:0px;border-left:0px;padding-right:0px;" alt="fxo pstn trunk" src="http://s3.51cto.com/wyfs02/M02/89/81/wKioL1gV6dSx2aNPAAK63BTpJNA891.png" border="0" height="458" />

650) this.width=650;" title="DID" style="border-top:0px;border-right:0px;background-image:none;border-bottom:0px;padding-top:0px;padding-left:0px;border-left:0px;padding-right:0px;" alt="DID" src="http://s3.51cto.com/wyfs02/M00/89/81/wKioL1gV6deiJ3LyAAM1LCo5ePA438.png" border="0" height="460" />

650) this.width=650;" title="TIMER" style="border-top:0px;border-right:0px;background-image:none;border-bottom:0px;padding-top:0px;padding-left:0px;border-left:0px;padding-right:0px;" alt="TIMER" src="http://s3.51cto.com/wyfs02/M01/89/83/wKiom1gV6diSFwPIAAD8uEcXNtw145.png" border="0" height="350" />

650) this.width=650;" title="timer example" style="border-top:0px;border-right:0px;background-image:none;border-bottom:0px;padding-top:0px;padding-left:0px;border-left:0px;padding-right:0px;" alt="timer example" src="http://s3.51cto.com/wyfs02/M02/89/83/wKiom1gV6dqjKf04AAFXUzU2dOw725.png" border="0" height="326" />

數字信令：

CAS  帶內信令

CCS  帶外信令

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650) this.width=650;" title="]" style="border-top:0px;border-right:0px;background-image:none;border-bottom:0px;padding-top:0px;padding-left:0px;border-left:0px;padding-right:0px;" alt="]" src="http://s3.51cto.com/wyfs02/M01/89/81/wKioL1gV6dzzuSapAAJdIJ5T_ck854.png" border="0" height="461" />

E1 R2 CAS 配置

650) this.width=650;" title="Capture" style="border-top:0px;border-right:0px;background-image:none;border-bottom:0px;padding-top:0px;padding-left:0px;border-left:0px;padding-right:0px;" alt="Capture" src="http://s3.51cto.com/wyfs02/M01/89/83/wKiom1gV6d3AVbIpAAC7MWmWBoA434.png" border="0" height="245" />

總結

 

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E1-G704-V-CCS常用

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語音網關1（T1/E1 總結）