Viewers will then choose which of the remaining nine they like best by dialling a freephone number.

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Referrals to CAP can be done through a freephone number or their website.

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But a more reliable telecoms network, enabling travellers to call at local rates or to use freephone numbers from any part of Britain, plus technology which automatically switches calls from a busy reservation centre to a less-busy one, has allowed British Airways to disperse these jobs to Newcastle (600), Glasgow (450), Manchester and Belfast (270).

ECONOMIST: Call centres