On November 4, 2009, PTS designated TeliaSonera as an undertaking having significant market power on the market for access to the public telephone network at a fixed location. Among the obligations that PTS has imposed on TeliaSonera are:
- An obligation to provide wholesale line rental (WLR)
- Obligations concerning pricing (retail minus) and cost accounting procedures
- Obligation not to discriminate
For additional obligations imposed see section 7 and 9 in PTS decision of November 4, 2009 (only in Swedish).