Only 1 out of every 100 Cameroonians has a fixed-line telephone.
Unlike fixed-line telephones, the long-distance telephone dialling format is always observed when using a mobile phone.
Many people, even the poorest and frequently also children, have cellular telephones, although they have no fixed-line telephone.
The business pioneered dual-signalling technology, whereby signals are transmitted over both traditional fixed-line telephones and a wireless network, in the late 1990s.
BT runs the telephone exchanges, trunk network and local loop connections for the vast majority of British fixed-line telephones.
They said the alliance might also include the two companies' wireless and fixed-line telephone networks.
Telkom also runs telephone exchanges, trunk network and local loop connections for its fixed-line telephones.
It is also used in some other countries as the emergency telephone number for both mobile and fixed-line telephones.
Takarajimasha Inc., a Tokyo publishing house, has abandoned fixed-line telephones in its offices and has provided each of the 270 employees with a cell phone.
The dialling code for fixed-line telephones in Reading is 0118.