voice over ip, voip providers,

What Is PSTN Fallback in ADSL Modems, I Am Guessing It Has Something to Do With VOIP?

November 15, 2011

I have heard a lot of people saying that it is a really good thing to have incase of an emergency, but what does PSTN acually do.

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1 comment… read it below or add one

mrgone2a April 28, 2009 at 1:41 pm

Public Telephone Switched Network. PSTN is another term for plain old telephone service (POTS) I would think that it has something to do with routing voip calls over pots if dsl is down

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