(a) 就與規管通訊服務和發送商業電子訊息有關的專業範疇（例如工程、資訊及通訊科技、會計、商業及成本分析／模式、競爭事務、經濟、財務、法律和統計），提供專業意見； (b) 監察電訊市場，並就電訊市場對電訊業發展、規管架構和電訊服務消費者權益的影響提供意見； (c) 調查根據《非應邀電子訊息條例》作出的投訴，監察市場在發送商業電子訊息方面的情況，並就其對相關規管架構的影響提供意見； (d) 對政策和規管事宜的研究及分析提供支援，包括草擬資料便覽、諮詢文件、政策文件、聲明、指引和實務守則； (e) 評核牌照申請、執行牌照條件、規例和業界實務守則，並處理其他牌照行政事宜；以及 (f) 處理、檢視及／或調查有關通訊服務供應商反競爭行為、合併及收購、具誤導性或欺騙性行為、其他不良營商手法的個案。

(a) providing professional advice in specialist areas, such as engineering, information and communications technology, accounting, business and cost analysis/modelling, competition affairs, economics, finance, law and statistics, in connection with the regulation of communications services and sending of commercial electronic messages (CEMs); (b) monitoring the telecommunications market and advising on its implications on the development of the telecommunications industry, the regulatory framework and the interests of the consumers of telecommunications services; (c) investigating complaints under the Unsolicited Electronic Messages Ordinance, monitoring the market situation in respect of the sending of CEMs and advising on its implications on the relevant regulatory framework; (d) providing support in research and analysis of policy and regulatory issues, including drafting of information notes, consultation papers, policy papers, statements, guidelines and codes of practices; (e) evaluating licence applications, enforcing licence conditions, regulations and industry code of practice and handling other licence administration matters; and (f) processing, reviewing and/or investigating cases in relation to anti-competitive conduct, mergers and acquisitions, misleading or deceptive conduct or other unfair trade practices of communications service providers.