All closed cases
This section summarises the outcome of each case and gives general guidance on the approach, which we hope, will be of use to the reader. It is not an exhaustive inventory of precedent.
Please visit the National Archives to view an extensive list of closed cases.
Investigation into Colt Technology Services Group’s compliance with an information request
Investigation into BT response to Connected Nations data request
Royal Mail's quality of service performance in 2020/21
Investigation into BT's conduct during the tender of the NIPSSN contract
Competition Investigation regarding parcel delivery and pick-up services
Investigation into Royal Mail's quality of service performance in 2018/19
Investigation into BT’s compliance with the 118 price cap
Competition Act investigation regarding business parcel delivery services
Investigation into Post Office Limited’s charges for telephone calls using relay services
Investigation into Openreach's compliance with an information request issued to BT
Investigation into giffgaff about its compliance with metering and billing requirements
Investigation into BT Group’s compliance with an information request (administrative charges)
Donor Conveyance Charges for the period 2003 to 2008
Investigation into BT’s compliance with BCMR price regulation
Investigation into Royal Mail’s quality of service performance in 2017/18
Enforcement programme into Internet Service Providers traffic management practices
Investigation into O2’s compliance with a statutory information request
Investigation into communication providers’ compliance with BCMR 2019 information requests
Investigation into Lycamobile’s compliance with the mobile roaming regulations
Investigation into Cloud M’s provision of number portability
Investigation into EE’s compliance with Section 135 and 136 information requests
Investigation into Vodafone’s compliance with Section 135 and 136 information requests
Investigation into EE’s early termination charges
Investigation into Onestream’s compliance with mis-selling and slamming rules
Investigation into BT’s compliance with a statutory information request
Investigation into Gateway’s compliance with statutory requests for information
Enforcement programme into early termination charges
Investigation into Virgin Media’s early termination charges
Own-initiative monitoring and enforcement programme into cancellation and termination arrangements
Enforcement programme into complaints handling
Own initiative investigation into EE about its compliance with metering and billing requirements
Dispute brought by Gamma against BT in relation to BT’s average porting conveyance charges
Re-determination of disputes relating to BT’s charges for Ethernet services (remitted by the CAT)
Dispute relating to BT’s proposed payments for 080 call origination
Dispute between Cloud9 and Vodafone concerning connection and on-going charges for ARP access
Dispute between Cloud9 and Telefónica concerning additional charges for delivery of roaming calls
Additional Charges – enforcement and monitoring programme to assess compliance with Ofcom Guidance
Dispute referred by Level 3 about BT’s historic PPC charges
Dispute referred by Gamma about BT’s historic charges for Interconnect Extension Circuits
Dispute between Sky and BT relating to BT’s provision of MPF New Provide
Dispute between TalkTalk and BT relating to BT’s provision of MPF New Provide
Ofcom own-initiative review of the level of donor conveyance charges (DCCs)
Ofcom own initiative enforcement programme into wholesale mobile call termination rates
Investigation into BT’s compliance with statutory requests for information
Dispute between TalkTalk Group and BT Openreach about single jumpered MPF
Dispute relating to BT’s Standard Interconnect Agreement (“SIA”)
Dispute between Everything Everywhere and BT regarding termination charges for 080 numbers
Dispute relating to LLU MPF to WLR + LLU SMPF simultaneous migration offer
Average charges in BT’s 2010/2011 regulatory financial statements (“RFS”)
Dispute relating to BT’s charges for WES
Dispute between COLT and BT about the level of charges for partial private circuits
Dispute between Cable & Wireless and BT about BT’s charges for Ethernet services
Dispute relating to BT’s POLOs for 0845 call termination
Monitoring and Enforcement programme in respect of the international calling card industry
Dispute relating to MPF rental charges
Own-initiative investigation into TalkTalk Group’s billing for cancelled services
Dispute relating to sub-loop unbundling charges
Dispute between Everything Everywhere and BT about 03 termination rates
Dispute between Colt and BT about geographic termination rates
Dispute between TelNG and Gamma about certain interconnection charges
Freeserve.com plc – BT’s residential broadband pricing
Dispute between Stour Marine Ltd and O2 UK Ltd concerning termination rates
Dispute between Cable & Wireless and BT about BT’s NTS call termination charges for ported numbers
Dispute between Opal Telecom and BT about BTs Average Porting Conveyance Charge (APCC)
Redetermination of a dispute about per-customer line transaction charges for Carrier Pre-Selection
Own-initiative enforcement programme to give effect to General Condition 22 (Service Migrations)
Dispute between Opal Telecom and BT about Opal’s Fixed Geographic Termination Rates
Dispute between BT Wholesale and various operators about changes to AIT terms
Dispute about per-customer line transaction charges for Carrier Pre-Selection
Dispute between BT and various providers about 0870 termination rates
Dispute between Cable & Wireless and T-Mobile about termination rates
Additional Charges Pre-enforcement Programme
Own-initiative enforcement programme to give effect to General Condition 4 (Emergency Call Numbers)
Dispute between Mapesbury Communications and T-Mobile about mobile termination rates
Dispute between The Number UK Ltd and BT about charges for directory enquiry information (OSIS)
Re-determination of mobile termination rates disputes
Super-complaint on the cost of calls made by prisoners
Complaint from Energis Communications Ltd about BT's charges for NTS call termination
Dispute between BT and Conduit about charges for directory information (OSIS)
Disputes between H3G and each of O2, Orange and T-Mobile about donor conveyance charges
Own-initiative investigation into the possible misuse of 087 numbers
Dispute between: BT Wholesale and various communications providers about NTS POLO charges
Mercury’s implementation and compliance with a Dispute Resolution Scheme
BT complaint about an alleged breach of General Condition 18 by Spacetel
Own initiative investigation into possible misuse of 070 personal numbers allocated to 1RT Group Ltd
Dispute between Rapture TV and Sky about EPG charges
Own-initiative enforcement programme into compliance with General Condition 14.2 ("GC14.2")
Complaint by BT about WLR transfer orders placed by Scottish & Southern Energy
Dispute between Thus and BT about payment terms for PPC, IEC and IBC products
Complaint against BT about the pricing of cordless fixed-line telephones
Dispute between ntl and BT about BT’s charge for its Text Direct service
Dispute between BT and various communications providers about INCA/CLI
Dispute about geographic call termination reciprocity agreement
Complaint from Education Digital Management Ltd about the repositioning of Teachers TV in Sky's EPG
Own-initiative investigation against Patientline Limited about misuse of personal numbers
Enforcement of the requirement to implement and comply with a Dispute Resolution Scheme
Dispute between Opal Telecom and Openreach about Local Loop Unbundling migration charges
Dispute between Opal Telecom and BT about retrospective CPS charges
Consumer complaint against UK Online about unfair contract terms
Consumer complaint against 3 about unfair contract terms
Giacom complaint against Kingston Communications about failure to provide Wholesale ADSL access
Europacom.net complaint against MCI in connection with requests for the porting of numbers
Ofcom own-initiative investigation into the price of making telephone calls to hospital patients
Own-initiative investigation against BT Wholesale about PPC trunk charges
ICSTIS complaint regarding failure of Talkline Communications Ltd to comply with ICSTIS Directions
Own-initiative investigation about MKD Holdings Ltd regarding silent calls
ICSTIS complaint regarding failure of Coulomb Ltd to comply with ICSTIS Directions
Complaint against Intercity Mobile Communications about number portability
ICSTIS complaint regarding failure of Telecom One to comply with Directions
ICSTIS complaint regarding failure of Allied Telecommunications to comply with Directions
Switch Call Ltd - alleged misuse of personal numbers
ITV complaint about Sky's proposed charge for ITV1 regionalisation
Own Initiative investigation against Genesis Communications about number portability
Consumer complaint against Nexus Data Systems Ltd about unfair contract terms
Consumer complaint against Namesco Limited about unfair contract terms
Dispute between 4 Payphone Operators and BT about Payphone Access Charge collection terms
Consumer complaint against O2 about unfair contract terms
Dispute between Vodafone and BT about geographic number portability
Dispute between Orange and BT - CSI Links connection and rental charges cost sharing
Complaint from BT against Talk Talk about an unfair contract term
Consumer complaint against DeeNine Internet Services Limited about unfair contract terms
Dispute from BT Wholesale against Telewest about reciprocal arrangements for call termination rates
Complaint from Cumbria Highways against Omne Telecommunications Limited about Funds for Liabilities
Complaint from BT against PNC about number portability
Opal Telecom: alleged breach of the Numbering Condition of Entitlement
Number Portability complaint from Eurocall Ltd against Core ISP
Investigation into InterCity Mobile's number portability process
Complaint from Telepay Ltd against Vodafone about alleged misuse of personal numbers
Alleged misuse of Personal Numbering by Opera Telecom Limited
Own-initiative investigation against Redstone about alleged misuse of personal numbers
Possible misuse of a Personal Number by YAC Ltd
Digital Serve ISP: alleged unfair contract terms
Freeserve.com plc - BTOpenworld's Broadband Pricing
Complaint from VIP Communications Ltd against T-Mobile Ltd about disconnection of services
Complaint from FDM Technologies against BT about delayed provision of broadband services
BT's volume discount scheme for IPStream and DataStream
Tesco.net: alleged unfair contract terms
Alleged winback call by BT towards a Carrier Pre-Selection ("CPS") customer
'Silent Calls' - Complaints regarding the making of silent calls
Use of information for marketing activity directed at Wholesale Line Rental ("WLR")
Complaint against Patientline about alleged misuse of Personal Numbers
Own initiative investigation into Inclarity's possible misuse of Personal Numbers
Suspected margin squeeze by Vodafone, 02, Orange & T-Mobile
Dispute between BT Wholesale and various communications providers about NTS POLO charges
Dispute concerning various aspects of BT's LLU procedures and terms and conditions
Investigation into WLR business ISDN2 pricing
Investigation against Interphone about possible breaches of the General Conditions of Entitlement
DQ Advertisement on the cover of the Phonebook
Own-initiative investigation into BT blocking WLR orders for customers on certain BT Retail tariffs
Complaint against Vodafone about unfair contract terms and misleading promotional literature
Complaint from Designbyte Ltd re BT's free provision of BT Analyst
Consumer complaint against Bulldog Communications about unfair contract terms
Investigation into potential over-charging on pre-paid calling cards
Complaint against BT about Wholesale Line Rental ("WLR") marketing activities
BT 0845 & 0870 retail price change- Suspected Internet Service Provider (ISP) margin squeeze
Consumer complaint against O2 about unfair contract terms
Consumer complaint against O2 about unfair contract terms
Consumer complaint against Wanadoo about unfair contract terms
Complaint against Easyrentafone about refusal to provide number portability
Dispute between BT and various operators about NTS discounts
IPStream to DataStream Migration / Equal terms for DataStream
Own-initiative investigation against BT about potential anti-competitive exclusionary behaviour
BT's tariff structure and pricing for its 'NetStream 16' circuits
Investigation into EE’s compliance with Section 135 and 136 information requests
CW/01232/09/18
Investigation into Vodafone’s compliance with Section 135 and 136 information requests
CW/01231/09/18
Investigation into giffgaff about its compliance with metering and billing requireme
CW/01230/09/18
Investigation into Royal Mail’s quality of service performance
CW/01221/05/18
CW/01216/03/18
Enforcement programme into Internet Service Providers traffic management practices
CW/01210/12/17
Investigation into BT’s compliance with a statutory information request
CW/01208/09/17
Investigation into Lycamobile’s compliance with the mobile roaming regulations
CW/01207/09/17
CW/01203/08/17
CW/01202/07/17
Investigation into Gateway’s compliance with statutory requests for information
CW/01201/07/17
Enforcement programme into early termination charges
CW/01199/06/17
Investigation into Virgin Media’s early termination charges
CW/01198/06/17
CW/01196/05/17
CW/01195/05/17
CW/01193/04/17
Investigation into BT’s compliance with statutory requests for information
CW/01192/03/17
CW/01190/11/16
CW/01189/10/16
CW/01178/04/16
CW/01176/02/16
Own-initiative investigation into EE about its compliance with metering and billing requirements
CW/01174/12/15
CW/01172/11/15
CW/01170/11/15
CW/01167/10/15
CW/01163/08/15
CW/01160/06/15
CW/01159/06/15
Own-initiative monitoring and enforcement programme into cancellation and termination arrangements
CW/01158/06/15
Own-initiative enforcement programme into wholesale mobile call termination rates
CW/ 01115/11/13
CW/00996/08/08