Herold

Austrian Herold, which publishes the country’s white and yellow pages, claims to offer a worldwide first. Customers can purchase Austria’s entire phone directory and plug it into their cellphone. At first glance, this may seem somewhat outmoded. Why use an offline solution when almost every modern phone has internet access? Well, looking up phone numbers through a smartphone’s browser has two major drawbacks: it can be very slow and very expensive, since telecom providers in many countries still charge outlandish fees for data transfer.
And Herold’s mobile phone book has a very useful feature: if a user receives a call from someone who isn’t in their personal contact list, Herold will automatically find and display the caller’s name. (So-called ‘calling name delivery’ is offered by telecom providers in some countries, but often doesn’t work if a call takes place between different providers.
For detail: www.herold.at