Mae'r cynnwys hwn ar gael yn Saesneg yn unig.

Ofcom is committed to a thriving telecoms sector where companies can compete fairly and businesses and customers benefit from the choice of a broad range of services. This section is dedicated to information and research for the telecoms industry.

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Rheoleiddio cystadleuaeth telegyfathrebiadau

Current regulation, including market reviews and charge controls, relating to Ethernet and Leased Lines, Mobile Call Termination, and Residential and Business Narrowband and Broadband Access and Fixed Telephony.

Meysydd polisi telegyfathrebiadau

Nuisance calls, Next Generation Access, Mobile policy, Broadband services, Narrowband (Voice and Internet) Policy, Implementation of BT's Undertakings, ECC, Metering and Billing, Non-Geographic Call Services, Premium rate services (PRS), Calling line identification facilities and Network and Interconnection Policy.

Codau ymarfer

This section covers the codes of practice for the telecoms industry.

Rhifau Telegyfathrebiadau

This section provides information about UK Telephone Numbers, and allows Communications Providers to apply for Telephone Numbers from the National Numbering Scheme.