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In page Daisy Health:

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In April 2013, the Sunday Mirror's investigation into wait times of Daisy Surgery Lines found that the calls were not being picked up for a considerable length of time, but as the caller was connected, the call was being charged. The longest wait was 43 minutes, which would result in a £2.1 cost from a BT landline at 5p/min or from a mobile at 41p/min this would cost £17.63.[1]