@book {310, title = {Tecnolog{\'\i}as para el Desarrollo de Servicios Convergentes}, volume = {1}, year = {2011}, publisher = {Sello Editorial Universidad del Cauca}, organization = {Sello Editorial Universidad del Cauca}, issn = {978-958-72-100-5}, url = {http://www.unicauca.edu.co/editorial/es/catalogo/ingenieria/tecnologias-para-el-desarrollo-de-servicios-convergentes}, author = {Juan Carlos Corrales and Javier Alexander Hurtado Guaca and Julian Andr{\'e}s Rojas Mel{\'e}ndez and Oscar Mauricio Caicedo and Francisco Orlando Mart{\'\i}nez Pab{\'o}n} }