VVX 300 and 400 using software 5.4.x, 5.3.2, 5.2.5. I have 2 lines registered on each phone and when I check any call list on either phone every call displays as having been on line 1. If I go into the directory, recent calls, type and select line 2 I get 'No records', but if I scroll through my call list and select Dial on a call that occured on Line 2 the phone will seize Line 2 to place the call.
I am not fully sure I understand your issue but either pressing the Menu Key => Directories => Recent calls or simply the navigation button to the right I see:
Selecting the individual calls shows me the line:
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Polycom Global Services
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