@INPROCEEDINGS {2590,
author={D.Gomes Gomes and S. Sargento and R.  Aguiar},
doi={},
booktitle={Conf. sobre Redes de Computadores - CRC},
title={Integration of Application-level and Network–level Signalling: From UMTS to All-IP},
year={2004},
month={October},
volume={1},
pages={1-1} 
}