In January 2017, Hrvatski Telekom bought out the shares of the Hungarian Magyar Telekom in Crnogorski Telekom (which had acquired it in 2005).
2000-2005MoNet GSM launched on July 1, 2000, as part of Telecom Montenegro. Although the acquisition by Magyar Telekom was done in 2005, it was not until 26 September 2006, that the MoNet GSM operator was re-branded as T-Mobile Montenegro.
2005–2012Magyar Telekom acquired Crnogorski Telekom in 2005, making it part of the Deutsche Telekom group. In 2006, two consumer brands were launched: T-Com (fixed-line and Internet) and T-Mobile (mobile telecommunications).
As with several other southeastern European countries, the T-Com and T-Mobile brands were replaced by the Telekom brand in 2012.
| Main companies:|
Telekom Deutschland | Hrvatski Telekom (Crnogorski Telekom (76.53%) | HT Mostar (39.1%)) | Magyar Telekom | Makedonski Telekom | OTE (40%) | Slovak Telekom | Telekom Romania (54%) (via OTE) | BT (12%) | Magenta Telekom