A Uniform Resource Locator (URL), or a portion thereof, or an e-mail address are employed as auxiliary indicators of dialing of a voice call from a mobile phone to an URL- or specific e-mail address-associated part, with the part originating the call not identifying the telephone number of the other part An automated conversion is performed from an URL, or a portion thereof, or e-mail address, for an intended telephone number, or multiple intended telephones, in response to requirements started at the telephone system by the caller A part with presence in the Internet achieves a better availability with the public by means of voice telephone calls, since the URL's and e-mail addresses are convenient, known by, and significant to the clients.