Tomorrow Asia Web 2.0 Conference (Zenith Events). HKCEC. Tel: 2233 9327; e-mail: jessica_poon@zenithevents.com Tomorrow-July 12 China Mobility International Summit 2007 (Beacon/China Institute of Communications). China World Hotel, Beijing. Tel: 2531 6112; e-mail: cchan@beaconevents.com ; website: www.china-mobility.com July 16-19 VoIP Asia Congress 2007 (IIR Telecoms). Le Meridien, Singapore. Tel: 44 20 701 77144; e-mail: abennett@iir-conferences.com ; website: www.iir-events.com/IIR-conf/Telecoms/EventView.aspx?EventID=996&Search Result=http%3a%2f%2f www.iir-events.com%2fIIR-conf%2fTelecoms % 2fSearchEvents.aspx July 23-26 Cost Modelling and Accounting in Telecoms (IIR Telecoms). The Excelsior Hotel, Hong Kong. Tel: 44 20 701 77144; e-mail: abennett@iir-conferences.com ; website: www.iir-events.com/IIRconf/Telecoms/EventView.aspx?EventID= 1076&SearchResult=http%3a%2f%2f www. iir-events.com%2fIIR-conf%2fSearchEvents.aspx July 24-26 Prepaid Mobile Asia 2007 (Informa). Sheraton Towers Hotel, Singapore.