Media type: E-Article Title: IMS-based presence service with enhanced scalability and guaranteed QoS for interdomain enterprise mobility Contributor: Bellavista, Paolo; Corradi, Antonio; Foschini, Luca imprint: Institute of Electrical and Electronics Engineers (IEEE), 2009 Published in: IEEE Wireless Communications Language: Not determined DOI: 10.1109/mwc.2009.5109460 ISSN: 1536-1284 Keywords: Electrical and Electronic Engineering ; Computer Science Applications Origination: Footnote: