March 24, 2016 by zafar mahmood

Filed under Profinet Communication

Last modified March 28, 2016


InterconnectionIn telecommunications, interconnection is the physical linking of a carrier’s network with equipment or facilities not belonging to that network. The term may refer to a connection between carrier facilities and equipment of the customer, or a connection between two (or more) bearers.
In the United States regulatory law, interconnection is specifically defined (47 CFR 51.5) as “connecting two or more networks for the mutual exchange of traffic.”
One of the main tools used by regulators has been competition in the telecommunications markets to impose interconnection requirements on dominant carriers.
United States:-
Under the Bell System monopoly (places Communications Act of 1934), the Bell System owned the phones and had interconnection or separate phones (or other terminal equipment) does not permit or other networks; was a popular saying “Ma Bell has you by the talks”.
This began to change at landmark Hush-A-Phone v. United States [in 1956], so that a number of non-Bell Equipment used for connecting to the network, and was followed by a number of other things, regulatory decisions and legislation that led to the transformation the US long distance telephone industry from a monopoly to a competitive business environment.
This further changed Carterfone decision FCC in 1968, in which the Bell System companies are required to make possible the interconnection by radio-telephone operators.
Today, the standard electrical connector for interconnection in the USA, and a large part of the world, is the registered jack family of standards, in particular RJ11. This was introduced by the Bell System in the 1970s, following a 1976 FCC order. Since then she has won worldwide popularity, and is a de facto international standard.
Outside the United States, Interconnection or “Interconnect regimes” also take into account the associated commercial arrangements. As an example of the use of commercial arrangements, is the focus of the EU has been about “encouraging” incumbents to bundles of network features which allow competitors to offer services that provide direct competition with the incumbent. Further, the interconnect regime is decided by the regulator has a great influence on the development / growth of market segments. According Source8 (an EU based consultancy) Two examples from the UK are:
• The decision on the revenue sharing at local rate numbers was a factor in the explosive growth of Internet dial.
• The asynchronous reciprocity that exists between the fixed and mobile termination rates.


  1. Highly descriptive blog, I liked that bit. Will there be a part 2?|

    June 1, 2016 - 3:01 am – Reply

    • zafar mahmood

      Dear Customer,
      Do you a need a part 2 for Interconnection or for What?

      June 1, 2016 - 12:23 pm – Reply

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