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Re: [Modern] Nationwide Number Portability MODERN Use Case Draft

Henning Schulzrinne <Henning.Schulzrinne@fcc.gov> Tue, 01 March 2016 17:26 UTC

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From: Henning Schulzrinne <Henning.Schulzrinne@fcc.gov>
To: Richard Hill <rhill@hill-a.ch>, 'Richard Shockey' <richard@shockey.us>, 'Paul Kyzivat' <pkyzivat@alum.mit.edu>, 'Modern List' <modern@ietf.org>
Thread-Topic: [Modern] Nationwide Number Portability MODERN Use Case Draft
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Date: Tue, 1 Mar 2016 17:26:49 +0000
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References: <00cd01d16fdb$1a128f80$4e37ae80$@ch> <D2F48044.3507D%tom.mcgarry@neustar.biz> <68346e41454447f1b75d61da4c51821b@PLSWE13M08.ad.sprint.com> <3af9e40382f34867bd866707fc4b1ce9@PLSWE13M01.ad.sprint.com> <D2F473C5.17AE33%jon.peterson@neustar.biz> <0dd72becae6d4d9b8ea4bccc4d9f9602@PLSWE13M08.ad.sprint.com> <56CF87AE.6070801@alum.mit.edu>, <BCA7B7B9-25D2-4407-927D-2096957334BD@shockey.us> <CY1PR09MB063465E5E4F1606120CD8295EABA0@CY1PR09MB0634.namprd09.prod.outlook.com>, <003301d17392$72bec760$583c5620$@ch>
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Subject: Re: [Modern] Nationwide Number Portability MODERN Use Case Draft
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I think we all agree that urgency and timelines will differ across countries. To some extent, the US *is* special because it has such a large number of carriers. I'm not aware of any other country that has 4000+ certificated carriers, and some of these are bottom-fishers.

Even the extent of the robocall and spoofing problems seems to differ dramatically across countries. 

I do believe that, increasingly, many (smaller/niche) carriers will use out-of-the-box management systems for their voice services rather than home brew, so it helps everyone if vendors don't have to build 100's of slightly different number management protocols. Many carriers are now using open-source components, e.g., for their SIP proxies.


>and, in particular,
> with upgrading the existing number portability system,

That may or may not be necessary.

>if they have
> one, or creating one. The current number portability (whether or not
> it's geographic) leaves much to be desired, as recent events
> (https://www.fcc.gov/document/fcc-plans-296-million-fine-slamming-
> cramming-and-obstruction-0 makes a good read) illustrate.

Have similar issues arisen elsewhere?

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