Communication has moved from the telephone landline to the mobile phone to Internet telephony with Skype to now apps like GroupMe with mobile communications services which do not rely on a PC or telephone number.

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Telephone 0808 808 2244 from a landline or a mobile phone.

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Meyer created a communications system that works on any telephone network and can be accessed on any mobile handset, PC or landline phone using voice messages, e-mail or SMS text.

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Debitel, which owns no cables or transmitters, has already become the country's third-largest mobile-telephone operator by buying capacity from other companies and marketing it more shrewdly.

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Doesn't matter what kind of device the message is going to (wireline phones, mobile phones, PDAs or computers) or whether the message has to travel over the Internet or the public switched telephone network, for example.

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