Bangladesh Telegraph and Telephone Board (BTTB) is the state owned telephone company in Bangladesh. It provides land-line telephone services in the urban areas, domestic long-distance and international services. It also provides mobile phone services through its subsidiary , Teletalk. An urban area is a term used to define an area where there is an increased density of human-created structures in comparison to the areas surrounding it. ... Long distance in telecommunications, refers to telephone calls made outside a certain area, usually characterized by an area code outside of a local call area. ... TeleTalk is a GSM based state-owned mobile phone company in Bangladesh. ...

BTTB provides dial-up Internet access in all 64 districts of the country, making it the most-accessible Internet service provider in the country. It also handles the .bd domain. An Internet service provider (abbr. ... .bd is the Internet country code top-level domain (ccTLD) for Bangladesh. ...

External links

• Official website of Bangladesh Telegraph and Telephone Board
• Article, from Banglapedia