With the standardization of the SIP protocal, it became the popular signal control protocol in the IP field.

随着SIP协议的标准化，该协议成为IP领域内运用广泛的信令控制协议。

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With the standardization of the SIP protocal, it became the popular signal control protocol in the IP field.

随着SIP协议的标准化，该协议成为IP领域内运用广泛的信令控制协议。

youdao