BT Wholesale has added more exchanges to its demand-driven ADSL upgrade scheme.
When customer registrations in areas without ADSL reach a sufficiently high level, BT decides the cost of upgrading exchange equipment is justified and will invest in the new infrastructure.
It has set demand trigger levels for 169 additional exchanges. Numbers have been set at between 200 and 500 registrations per exchange, depending on the cost of the upgrade.
This brings the total number of exchanges with trigger levels to 595, with costs reviewed at 669 exchanges.
BT Wholesale has identified that the remaining 74 of the reviewed exchanges will never meet their demand trigger based on the number of lines they serve. It is investigating ways of reducing the cost of enabling these exchanges.
This could include the use of alternative broadband technologies - such as satellite and wireless services - rather than ADSL.
Customers must register their interest in ADSL through an internet service provider to be included in the figures, available here.
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