ADMAR are one of a select group of companies licensed to access the BT OSIS Database for Teleappending purposes.
BT OSIS is the ONLY Official, Fully Comprehensive, Accurate, Legal and Up-To-Date source of telephone number information in the UK.
BT OSIS is a central database managed by British Telecommunications which contains telephone numbers from all of the UK’s main Telecom's providers – for example BT, Kingston Communications, Cable & Wireless, NTL and numerous other cable companies.
OSIS is updated daily and includes DQR Numbers and Ex-Directory information.
Telephone numbers obtained from unofficial sources will be out of date, inaccurate and could lead to a complaint under the Data Protection Act.
ADMAR adds telephone numbers to your data using an Automatic Computer Matching Process
