In a nutshell, one version of what Jeremy allegedly said to Bonnett, with a question of whether Bonnett may have mistakenly recorded the time (3.36am), wrong by 10 minutes, meaning the call had been made at 3.26am...
If the full contents of both phone logs had been disclosed, it would have opened up a can of worms, and been subject of lengthy legal Arguments, involving, HEARSAY, and ALIBI...