What does UCB mean in Telecom?

This page is about the meanings of the acronym/abbreviation/shorthand UCB in the Computing field in general and in the Telecom terminology in particular.

Universal Call Blocking

Universal Call Blocking is a CRTC mandate (CRTC decision 2018-484) to block all incoming voice calls that have malformed calling line ID information. This applies to all Canadian service providers. Malformed calling line ID information contains telephone numbers that do not comply with North American or International numbering plans.

Computing » Telecom

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"UCB." Abbreviations.com. STANDS4 LLC, 2021. Web. 3 Mar. 2021. <https://www.abbreviations.com/term/2270172>.

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