BT has slashed charges for evening and weekend calls and established a single rate for local and national calls as the supermarkets plan aggressive moves into the fixed line telecoms market.
BT's announcement came as Sainsbury revealed plans to launch a new cut-price call service for fixed line and mobile phone calls in partnership with Carphone Warehouse.
Launching in the summer, hot on the heels of Tesco Telecom ­ a similar service provided with Cable & Wireless, Sainsbury's new call service will allow customers to connect automatically without having to type in a pin number or install a dialler box, by using new carrier pre-selection (CPS) technology.

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