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Posted by PrabhasPokharel on Aug 24, 2009
The pre-cursors to mobile phones were walkie-talkies, and the first generation of mobile phone networks only supported voice communications. With second generation networks and a happy accident came SMS, and only with the third generation networks came mobile data services in the form of GPRS.
Most applications using mobile phones these days tend to use these newer channels of communication—SMS and data. But even though we sometimes forget, voice is still a part of mobile phone communications. This article profiles interesting ways in which voice technology is being used for social work all around the world.
