Danish to English Tech/Engineering Telecom(munications) legal contracts etc

This is part of a case document on TDC's position in relation to other telephone companies - contacts etc. TDC are withdrawing the right to easy access dialling for their private end-users and Telia and Telenor are complaining to the EU about their market position. I can't make sense of this :

"Eftersom Telenor ikke anser TDC for berettiget til at ophøre med at tilbyde selskabets slutbrugere frit, finder Telenor det stærkt problematisk, at TDC vil varsle slutkunderne, forinden der..."