British Telecom is a multinational telecommunications service provider and network operator headquartered in London, England. It has operations in around 180 countries and is the largest provider of fixed-line, broadband and mobile services in the UK, and also provides subscription television and IT services. BT Global Services division supplies telecoms services to corporate and government customers worldwide, and its BT Consumer division supplies telephony, broadband, and subscription television services in the United Kingdom to around 18 million customers. The Digital unit invents tomorrow’s technology, delivering innovative solutions, products and outcomes, and pushing the internal digital revolution. BT has a patent portfolio of more than 5,000 patents.