In the SRD, it is noted in the table under Intelligent Items ~ Languages Spoken By Item two footnotes 2 and 4.
Footnote 2 reads
'Like a character, an intelligent item speaks Common plus one language per point of Intelligence bonus. It can communicate telepathically with the wielder.'
And footnote 4 reads
The item can use either communication mode at will, with language use as any speaking item. It can communicate telepathically with the wielder.
Is there any particular reason why footnote 4 should repeat and emphasize the same information contained in footnote 2 'It can communicate telepathically with the wielder' when footnote 4 already acknowledges the item possesses both speech and telepathy and can use either communication mode at will?