News The nerve-wracking but heart-warming moment a 999 emergency call handler helps to deliver a baby over the phone features in the latest episode of the BBC One documentary Ambulance. The dramatic phone call was captured by a film crew behind the scenes in London Ambulance Service’s 999 emergency operations centres, for the latest episode of the BAFTA award-winning series. Rose Carbon, 29, is a 999 call handler at the UK’s busiest ambulance service.