Many observers reject the idea of polarizing Intranet telephony between bad, old circuit switching and good, new packet routing.
很多观察家摒弃了在坏的、老的电路交换和好的、新的包路由之间极化内部网电话的想法。
In mobile telephony, 2.5G protocols extend 2G systems to provide additional features such as packet-switched connection (GPRS) and enhanced data rates (HSCSD, EDGE).
在移动德律风技巧中，2.5G和谈将2G系统扩展到供给诸如分组互换连接（GPRS） 的附加效用和更高的数据传输速度（HSCSD、EDGE）。
The devices that transform voice back and forth between circuit and packet forms are called Internet telephony gateways.
在包和电路形式之间来回变换语音的装置叫因特网电话网关。
Internet telephony gateway technology allows data that was previously transmitted in the circuit domain to be transmitted in the packet domain.
该网关技术允许先前在电路域中传输的数据在包域中传输。
Internet telephony gateway technology allows data that was previously transmitted in the circuit domain to be transmitted in the packet domain.
该网关技术允许先前在电路域中传输的数据在包域中传输。
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