Telecoms watchdog Oftel has announced that users of two million UK phone lines can now switch from BT without changing their number.
The lines are now carrier pre-selection (CPS) enabled, and represent a 100 per cent increase during the last six months. Oftel welcomed the statistics, saying that CPS improves competition and gives UK telco users a better deal.
"With companies offering significant savings on consumers' fixed bills, there is a real incentive for people to use carrier pre-selection as an alternative for their fixed phone calls," said David Edmonds, director general of Oftel.
"It is clear that consumers are recognising the savings that can be made and I expect to see this positive trend continue."
Oftel said that some alternative telcos, enabled by CPS, were able to offer consumers savings of up to 30 per cent on their existing phone bills, as highlighted on uswitch.com, a price comparison website approved by the regulator.
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