How do I get the section number and page number in the table of contents to be a hyperlink in the pdf?

In my table of contents in the book pdf generated in Framemaker 12 the chapter names in the content column work as hyperlinks, but not the section numbers and page numbers. They do work in heading 4 and 5, but not in heading 1, 2 and 3. My table of contents consists of a content column, section column and page number column. Only the content column is a hyperlink and I would like also the section numbers and page numbers to work as links.

Regards,

Robert