http://recursosvoip.com/blog/2009/09/30/openvoxa%c2%85%c2%a8c%c2%90%c2%83c%c2%94%c2%b5a%c2%bf%c2%a1%c3%a6%c2%9c%c2%8da%c2%8a%c2%a1a%c2%b8%c2%ada%c2%9b%c2%bdvoipa%c2%b8%c2%82a%c2%9c%c2%ba-a%c2%8c%c2%97c%c2%94%c2%b5a%c2%ba%c2%94c%c2%94/ Actualidad del sector al minuto... http://wordpress.org/?v=2.8.4 hourly 1