March 26/PRNewswire-AsiaNet CHEAPER OVERSEAS CALLS………….. HONG KONG: WHEREVER.net, the global Internet Protocol communications provider, today announced the launch of its new international roaming phone card, World Call, facilitating economical overseas calls when customers are abroad.ACADEMICS HONOURED………… PERTH: Curtin University of Technology, will honour Singapore's Dr Cheong Kun Pui, former President of the Marketing Institute of Singapore, and Dr Ann Choo, Deputy Director, Clinical and Services Development, Tan Tock Seng Hospital, when it holds two graduation ceremonies at Singapore's Westin Stamford Hotel, this weekend.MARKETING RIGHTS………… BASEL: Novartis Opthalmics, the eye health unit, has been given the green light to market Visudyne, used in the treatment of several eye disorders, the company said today.DEBENTURE ISSUE CLOSES….. MONTREAL: Alcan Inc, announced the closing of its $US 400 million debenture issue today, made by prospectus only. GAS & OIL MARKETS………………… LONDON: CWC today publicised an upcoming convention on investment opportunities in Pakistan's oil and gas sectors to be held in London in late June.NETWORK SECURITY……………… TOKYO: Internet Initiative Japan today announced the launch of its new Network Intrusion Detection Service, offering around-the-clock monitoring. (AsiaNet is a consortium of leading news agencies distributing unedited,translated press releases for worldwide clients. Contact: www.asianet.com.au for full-text versions).