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Lorne8
Premium
join:2002-02-10
Fort Worth, TX

LNP sucks

Insight:

I would never port my number. When you call a number the switch knows where to route the call. But, first it launches an LNP query to an STP if the code is marked as portable in the switch. If that number is in the STP database as being ported, the STP sends your local switch information back about where to route the call.

Guess what? If someone forgot to put an LNP trigger on a code (because not all codes are ported), the LNP query will never be launched and the switch will mis-route the call.

We're not just talking major phone companies who's landline switches are messy as hell. Let's say your grandma' lives in a rural area with some CO-OP Telco or a minor CLEC. If they didn't add the trigger in their switch, grandma aint going to get through to you. And there's several other issues which could prevent a ported call from routing correctly.

LNP is a serious overcomplicated mess. I would rather tell 100 people my new number than risk one of not being able to get through to me.

It's like the federal govermnet mandating that every car in america have a wheel chair lift and 5 mufflers. I'm amazed it works as well as it does.


jester121
Premium
join:2003-08-09
Lake Zurich, IL
Reviews:
·voip.ms

So just because a small percentage of people have porting issues (which are eventually sorted out) and a miniscule percentage of those aren't resolved in a timely fashion, we shouldn't port numbers? How very neo-Luddite of you.

Yet major companies with thousands of DIDs manage to port their numbers and stay in business each year, and millions of customers move their numbers around every year with no problems.


DaveRb

join:2005-02-12
Allen, TX

reply to Lorne8
Actually that is an SCP not an STP. Signal Transfer Points do not originate or terminate SS7 messages they merely pass them through from SSP to SSP or SCPs.


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