Because SS7 has more intelligent capabilities than User-Network Interface protocols such as ISDN Primary Rate Interface, SS7 can help ease congestion across the Internet.
由于七号信令比诸如ISDN的基础速率接口等用户网络接口协议更具智能功能，所以七号信令有助减轻因特网上的拥挤。
This Recommendation describes the elements of signalling information used by the ISDN user part protocol and their function.
本建议叙述ISDN用户部分协议所用的信令信息要素和它们的功能。
This Recommendation describes the elements of signalling information used by the ISDN user part protocol and their function.
本建议叙述ISDN用户部分协议所用的信令信息要素和它们的功能。
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