sipWell, I hadn’t either…so if you’re like me, then you’re about to learn something more about the demise of ISDN.

You may or may not know that throughout most of Europe, ISDN had an earlier stronghold, was more widespread, and more a part of the hard-wire phone system than it EVER was in the United States.  ISDN was commonly used to displace the older technology of equalized analogue landlines in the UK.  ISDN in France has widespread availability, especially in rural and outlying areas (!).  Germany’s ISDN penetration is popular with an installed base of 25 million channels.  And yet, even in Europe, ISDN is losing its grip, and is being replaced by IP solutions.

Below, you’ll find a link to an article on SIP (Session Initiation Protocol) Trunks gradually replacing ISDN.  In fact, the first sentence of this InfoCom article says it all:  “…Because of the general trend towards IP, SIP trunking will prevail in the long term and eventually replace ISDN as it offers a series of advantages: granularity, flexibility and centralisation, that is, cost savings…”

I don’t pretend to know much about the intricacies or concepts behind these esoteric fields of business and telecommunications infrastructure, but I get the drift.

And forgive me for concentrating on this so much in the blog lately.  We are in the middle of technologically-advancing forces that can slip past you if you don’t see the indicators.  SIP in Europe is one of those harbingers.

Here’s the link:  http://www.virtual-strategy.com/2014/06/27/infocom-illustrates-advantages-sip-trunking-replacing-isdn

CourVO

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