Show chapter in Table of Contents but do not print its header in text

Question

I would like to list some pages of my report under a chapter. This chapter should be printed in the text without the header but with an entry in the Table of Contents.

It should look like this:

TOC:
 1. chapter1
 2. chapter2
 3. chapter3

chapter1:
 LOREM IPSUM
chapter2:
 LOREM IPSUM

% from here on I would like to list the text under chapter 3 in the ToC 
% but don't what to print "Chapter 3:" at all
 LOREM IPSUM

This would be something like \addcontentsline{file}{sec_unit}{entry} but without printing the chapter header in text.

Answer 1

+1 You got it, \addcontentsline really exists!

\cleardoublepage
\phantomsection
\addcontentsline{toc}{chapter}{My Dummy Chapter Title}

Issuing \cleardoublepage is necessary only if you want your non-chapter to start on a new page. Issuing \phantomsection is necessary only when you load the hyperref package.