Bonnett must have called Saxby using the phone because it's on his log (CA7) and perfectly matches the time in his pocket book. and he was at HQ
When re-examined by Mr Arlidge during Jeremy's trial, Bonnett was asked as follows about his 0335 entry for CA7:
"That is you telephoning and telling someone to go to the scene."
Bonnett replied as follows:
"No, that is getting on to the radio and contacting the vehicle by radio to send them to the scene and recording the time."
Bonnett's log doesn't indicate that he telephoned Pc Saxby at all.