Four former workers of Pacific Century Cyberworks (PCCW) were yesterday jailed over their role in a scheme to obtain bogus sales commissions. The four obtained HK$47,000 from the telecoms company by submitting false subscriptions for services. In the District Court, Judge Anthea Pang Ko-kam sentenced Michele Leung Wai-him, 34, to two years' imprisonment and Leung Hoi-wai, 31, Cheng Wai-mun, 42, and Wan Wai-lim, 31, to 18 months' jail each.