Dolphin Telecom

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The company Dolphin Telecom (Germany) emerged from the so-called RegioKom group in March 1999 by renaming. This had recently (formerly owned by Deutsche Telekom / T-Mobile) through the purchase of network operators Quick Funk GmbH and Chekker ProRegio trunked GmbH & Co. KG Germany operators of analogue trunked radio networks together in Germany in a company. The RegioKom, Quickfunk and Checker networks have been combined under the Chekker brand . Another project was the development of a digital trunked radio network based on the TETRA standard in a strategic alliance with Motorola .

At the end of July 2001, Dolphin Telecom (Deutschland) GmbH had to file for insolvency proceedings due to impending insolvency , but the Chekker network continued to operate. After the investor group Inquam stopped all further payments in October 2005, Dolphin Telecom had to give up business operations. Parts of the Chekker network have been sold and are now being operated by other companies.

In April 2007, the information from the insolvency administrator Hans-Gerd Jauch, which had been published there since the beginning of 2006, could still be found on the Dolphin Telecom website .

In August 2007 a new company called Dolphin Telecom GmbH started in Cologne, which had previously bought all name and domain rights from the insolvency administrator in England. This new Dolphin Telecom GmbH had nothing to do with the former trunked radio operator Dolphin Telecom (Deutschland) GmbH, which filed for bankruptcy in 2001 and had to cease business operations in 2005. The new Dolphin Telecom had no legal or economic connection to the "old bankrupt Dolphin".

On August 26, 2007, the company issued three press releases announcing a new service. With the Dolphin service, Dolphin Telecom offered all mobile phone customers the option of using software installed on their mobile phones to make calls to expensive call destinations past their respective provider and at more favorable terms. The free software was based on a Europe-wide patented technology and worked fully automatically without any other changes on all Symbian and Windows Mobile phones. A simpler version for Java-based cell phones was also available. The methods of direct dialing (call through) and callback (call back) were used as options for establishing a call.

The Dolphin mobile phone software was based on a patent from 1997 by a German inventor and relates to an automatic dialing system for end devices for electronic information and / or data transmission, which independently selects the networks to be used and establishes a connection via the most advantageous network Selection parameters between the different networks can be continuously adapted.

However, the new company also had to file for bankruptcy at the end of 2008.

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  1. ↑ The current state of affairs: Chekker and Tetra in future under one roof. [1] (PDF; 66 kB) , NET 6/99, pp. 46–48
  2. ↑ Notice from the insolvency administrator http://www.dolphin-telecom.de/ ( Memento from April 22, 2007 in the Internet Archive ) , snapshot from April 22, 2007
  3. ↑ Press release of November 27, 2007 [2]
  4. ↑ Press releases from August 26, 2007 Archive link ( Memento of the original from November 21, 2007 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice.  @1@ 2Template: Webachiv / IABot / www.presseportal.de
  5. ^ Message on teltarif.de about the insolvency of the new Dolphin Telecom GmbH