A Belgacom official poses inside one of the country's last phone boxes before its removal during a symbolic ceremony in Antwerp, Belgium, June 1, 2015. REUTERS/Francois Lenoir 

A Belgacom official poses inside one of the country's last phone boxes before its removal during a symbolic ceremony in Antwerp, Belgium, June 1, 2015. REUTERS/Francois Lenoir 

The logo of Proximus is seen at the entrance of Belgian telecoms operator Belgacom in Brussels September 29, 2014. Belgacom has begun branding all its products as Proximus, previously just the name for its mobile phone operations. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS LOGO BUSINESS TELECOMS) 

Dominique Leroy, chief executive officer of Belgian telecoms operator Belgacom, poses outside the company's headquarters in Brussels September 29, 2014. Belgacom has begun branding all its products as Proximus, previously just the name for its mobile phone operations. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS HEADSHOT) 

Dominique Leroy, chief executive officer of Belgian telecoms operator Belgacom, poses in front of the company's new logo in Brussels September 29, 2014. Belgacom has begun branding all its products as Proximus, previously just the name for its mobile phone operations. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS) 

Dominique Leroy, chief executive officer of Belgian telecoms operator Belgacom, poses in front of the company's new branding campaign in Brussels September 29, 2014. Belgacom has begun branding all its products as Proximus, previously just the name for its mobile phone operations. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS) 

Dominique Leroy, chief executive officer of Belgian telecoms operator Belgacom, poses in front of the company's new branding campaign in Brussels September 29, 2014. Belgacom has begun branding all its products as Proximus, previously just the name for its mobile phone operations. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS) 

Dominique Leroy, chief executive officer of Belgian telecoms operator Belgacom, poses in front of the company's new logo in Brussels September 29, 2014. Belgacom has begun branding all its products as Proximus, previously just the name for its mobile phone operations. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS) 

Dominique Leroy, chief executive officer of Belgian telecoms operator Belgacom, poses in front of the company's new branding campaign in Brussels September 29, 2014. Belgacom has begun branding all its products as Proximus, previously just the name for its mobile phone operations. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS) 

Dominique Leroy, chief executive officer of Belgian telecoms operator Belgacom, poses in front of the company's new branding campaign in Brussels September 29, 2014. Belgacom has begun branding all its products as Proximus, previously just the name for its mobile phone operations. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS) 

Dominique Leroy, chief executive officer of Belgian telecoms operator Belgacom, poses in front of the company's new logo in Brussels September 29, 2014. Belgian telecom operator Belgacom will begin distributing the content of Netflix this year after striking a deal with the U.S. video streaming service which launched in Belgium earlier this month. Belgacom, which rebranded its products as "Proximus" on Monday, said in a statement that the Netflix application would be on its new generation of decoders by the end of 2014. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS) 

Ray Stewart, chief financial officer of Belgian telecoms operator Belgacom, presents the company's 2013 results during a news conference in Brussels February 28, 2014. State-controlled telecoms operator Belgacom will lower its payout to shareholders for the next three years by almost one third, cutting a source of income for the Belgian government. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS HEADSHOT) 

Dominique Leroy, chief executive officer of Belgian telecoms operator Belgacom, presents the company's 2013 results during a news conference in Brussels February 28, 2014. State-controlled telecoms operator Belgacom will lower its payout to shareholders for the next three years by almost one third, cutting a source of income for the Belgian government. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS) 

Dominique Leroy, chief executive officer of Belgian telecoms operator Belgacom, presents the company's 2013 results during a news conference in Brussels February 28, 2014. State-controlled telecoms operator Belgacom will lower its payout to shareholders for the next three years by almost one third, cutting a source of income for the Belgian government. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS) 

Dominique Leroy, chief executive officer of Belgian telecoms operator Belgacom, presents the company's 2013 results during a news conference in Brussels February 28, 2014. State-controlled telecoms operator Belgacom will lower its payout to shareholders for the next three years by almost one third, cutting a source of income for the Belgian government. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS HEADSHOT) 

Dominique Leroy, chief executive officer of Belgian telecoms operator Belgacom, presents the company's 2013 results during a news conference in Brussels February 28, 2014. State-controlled telecoms operator Belgacom will lower its payout to shareholders for the next three years by almost one third, cutting a source of income for the Belgian government. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS) 

Dominique Leroy, chief executive officer of Belgian telecoms operator Belgacom, presents the company's 2013 results during a news conference in Brussels February 28, 2014. State-controlled telecoms operator Belgacom will lower its payout to shareholders for the next three years by almost one third, cutting a source of income for the Belgian government. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS HEADSHOT) 

Dominique Leroy, chief executive officer of Belgian telecoms operator Belgacom, presents the company's 2013 results during a news conference in Brussels February 28, 2014. State-controlled telecoms operator Belgacom will lower its payout to shareholders for the next three years by almost one third, cutting a source of income for the Belgian government. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS) 

Dominique Leroy, chief executive officer of Belgian telecoms operator Belgacom, presents the company's 2013 results during a news conference in Brussels February 28, 2014. State-controlled telecoms operator Belgacom will lower its payout to shareholders for the next three years by almost one third, cutting a source of income for the Belgian government. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS) 

Chief Executive Officer of Belgian telecom operator Belgacom Dominique Leroy looks on during a news conference to launch new highspeed mobile data services (4G) for the company's mobile phone arm Proximus in Brussels January 31, 2014. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS) 

Chief Executive Officer of Belgian telecom operator Belgacom Dominique Leroy speaks during a news conference to launch new highspeed mobile data services (4G) for the company's mobile phone arm Proximus in Brussels January 31, 2014. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS) 

Chief Executive Officer of Belgian telecom operator Belgacom Dominique Leroy smiles during a news conference to launch new highspeed mobile data services (4G) for the company's mobile phone arm Proximus in Brussels January 31, 2014. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS HEADSHOT) 

Chief Executive Officer of Belgian telecom operator Belgacom Dominique Leroy poses with balloons after a news conference to launch new highspeed mobile data services (4G) for the company's mobile phone arm Proximus in Brussels January 31, 2014. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS) 

Chief Executive Officer of Belgian telecom operator Belgacom Dominique Leroy poses with balloons in the shape of 4G after a news conference to launch new highspeed mobile data services (4G) for the company's mobile phone arm Proximus in Brussels January 31, 2014. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS) 

Chief Executive Officer of Belgian telecom operator Belgacom Dominique Leroy poses with balloons in the shape of 4G after a news conference to launch new highspeed mobile data services (4G) for the company's mobile phone arm Proximus in Brussels January 31, 2014. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS) 

Newly appointed Chief Executive Officer of Belgium's telecom operator Belgacom Dominique Leroy poses with Belgian Minister for Public Enterprises and Development Cooperation Jean-Pascal Labille (L) and Stefaan De Clerck (R), chairman of the Board of Directors of Belgacom, during a news conference in Brussels January 9, 2014. Leroy, head of Belgacom's consumer business division, was appointed group chief executive on Thursday, two months after the government fired her outspoken predecessor. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS TELECOMS) 

Newly appointed Chief Executive Officer of Belgium's telecom operator Belgacom Dominique Leroy addresses a joint news conference with Belgian Minister for Public Enterprises and Development Cooperation Jean-Pascal Labille (L) and Stefaan De Clerck (R), chairman of the Board of Directors of Belgacom in Brussels January 9, 2014. Leroy, head of Belgacom's consumer business division, was appointed group chief executive on Thursday, two months after the government fired her outspoken predecessor. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS TELECOMS) 

Newly appointed Chief Executive Officer of Belgium's telecom operator Belgacom Dominique Leroy addresses a news conference in Brussels January 9, 2014. Leroy, head of Belgacom's consumer business division, was appointed group chief executive on Thursday, two months after the government fired her outspoken predecessor. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS TELECOMS HEADSHOT) 

Newly appointed Chief Executive Officer of Belgium's telecom operator Belgacom Dominique Leroy is congratulated by Stefaan De Clerck (R), chairman of the Board of Directors of Belgacom, after a news conference in Brussels January 9, 2014. Leroy, head of Belgacom's consumer business division, was appointed group chief executive on Thursday, two months after the government fired her outspoken predecessor. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS TELECOMS) 

Newly appointed Chief Executive Officer of Belgium's telecom operator Belgacom Dominique Leroy is congratulated by Stefaan De Clerck (R), chairman of the Board of Directors of Belgacom, and Belgian Minister for Public Enterprises and Development Cooperation Jean-Pascal Labille (L) after a news conference in Brussels January 9, 2014. Leroy, head of Belgacom's consumer business division, was appointed group chief executive on Thursday, two months after the government fired her outspoken predecessor. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS TELECOMS) 

Newly appointed Chief Executive Officer of Belgium's telecom operator Belgacom Dominique Leroy addresses a news conference in Brussels January 9, 2014. Leroy, head of Belgacom's consumer business division, was appointed group chief executive on Thursday, two months after the government fired her outspoken predecessor. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS TELECOMS HEADSHOT) 

Newly appointed Chief Executive Officer of Belgium's telecom operator Belgacom Dominique Leroy addresses a news conference in Brussels January 9, 2014. Leroy, head of Belgacom's consumer business division, was appointed group chief executive on Thursday, two months after the government fired her outspoken predecessor. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS TELECOMS) 

Newly appointed chief executive officer of Belgium's telecom operator Belgacom, Dominique Leroy poses with Belgian Minister for Public Enterprises and Development Cooperation Jean-Pascal Labille (L) and Stefaan De Clerck (R), chairman of the Board of Directors of Belgacom during a news conference in Brussels January 9, 2014. Leroy, head of Belgacom's consumer business division, was appointed group chief executive on Thursday, two months after the government fired her outspoken predecessor. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS TELECOMS) 

Newly appointed Chief Executive Officer of Belgium's telecom operator Belgacom Dominique Leroy smiles during a news conference in Brussels January 9, 2014. Leroy, head of Belgacom's consumer business division, was appointed group chief executive on Thursday, two months after the government fired her outspoken predecessor. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS TELECOMS) 

Newly appointed Chief Executive Officer of Belgium's telecom operator Belgacom Dominique Leroy attends a news conference in Brussels January 9, 2014. Leroy, head of Belgacom's consumer business division, was appointed group chief executive on Thursday, two months after the government fired her outspoken predecessor. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS TELECOMS) 

Belgian Minister for Public Enterprises and Development Cooperation Jean-Pascal Labille arrives at a cabinet meeting in Brussels November 15, 2013. Belgacom chief executive Bellens will be dismissed on Friday by the government, the telecom group's majority shareholder, four Belgian newspapers reported on Friday. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS TELECOMS)

Belgian Prime Minister Elio Di Rupo arrives at a cabinet meeting in Brussels November 15, 2013. Belgacom chief executive Bellens will be dismissed on Friday by the government, the telecom group's majority shareholder, four Belgian newspapers reported on Friday. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS TELECOMS)

Belgian Minister for Public Enterprises and Development Cooperation Jean-Pascal Labille arrives at a cabinet meeting in Brussels November 15, 2013. Belgacom chief executive Bellens will be dismissed on Friday by the government, the telecom group's majority shareholder, four Belgian newspapers reported on Friday. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS TELECOMS)

Belgian Prime Minister Elio Di Rupo arrives at a cabinet meeting in Brussels November 15, 2013. Belgacom chief executive Bellens will be dismissed on Friday by the government, the telecom group's majority shareholder, four Belgian newspapers reported on Friday. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS TELECOMS)

Belgian Minister for Public Enterprises and Development Cooperation Jean-Pascal Labille arrives at a cabinet meeting in Brussels November 15, 2013. Belgacom chief executive Bellens will be dismissed on Friday by the government, the telecom group's majority shareholder, four Belgian newspapers reported on Friday. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS TELECOMS)

Didier Bellens, chief executive officer of Belgian telecom operator Belgacom, testifies before the commission for infrastructure at the Belgian Parliament in Brussels October 17, 2013. MPs asked Bellens about the sale process of a large Belgacom building in the centre of Brussels and the involvement of real estate group Immobel, where Bellens is also a board member, Belgian media reported. REUTERS/Yves Herman (BELGIUM - Tags: BUSINESS POLITICS HEADSHOT TELECOMS) 

Didier Bellens, chief executive officer of Belgian telecom operator Belgacom, testifies before the commission for infrastructure at the Belgian Parliament in Brussels October 17, 2013. MPs asked Bellens about the sale process of a large Belgacom building in the centre of Brussels and the involvement of real estate group Immobel, where Bellens is also a board member, Belgian media reported. REUTERS/Yves Herman (BELGIUM - Tags: BUSINESS POLITICS HEADSHOT TELECOMS) 

Didier Bellens, chief executive officer of Belgian telecom operator Belgacom, testifies before the commission for infrastructure at the Belgian Parliament in Brussels October 17, 2013. MPs asked Bellens about the sale process of a large Belgacom building in the centre of Brussels and the involvement of real estate group Immobel, where Bellens is also a board member, Belgian media reported. REUTERS/Yves Herman (BELGIUM - Tags: POLITICS BUSINESS TELECOMS) 

Belgian Flemish Christian Democrat (CD&V) party member Roel Deseyn speaks during the appearance of Didier Bellens, chief executive officer of Belgian telecom operator Belgacom, before the commission for infrastructure at the Belgian Parliament in Brussels October 17, 2013. MPs asked Bellens about the sale process of a large Belgacom building in the centre of Brussels and the involvement of real estate group Immobel, where Bellens is also a board member, Belgian media reported. REUTERS/Yves Herman (BELGIUM - Tags: BUSINESS POLITICS HEADSHOT TELECOMS) 

Belgian Flemish Christian Democrat (CD&V) party member Roel Deseyn speaks during the appearance of Didier Bellens, chief executive officer of Belgian telecom operator Belgacom, before the commission for infrastructure at the Belgian Parliament in Brussels October 17, 2013. MPs asked Bellens about the sale process of a large Belgacom building in the centre of Brussels and the involvement of real estate group Immobel, where Bellens is also a board member, Belgian media reported. REUTERS/Yves Herman (BELGIUM - Tags: POLITICS BUSINESS TELECOMS) 

Didier Bellens, chief executive officer of Belgian telecom operator Belgacom, testifies before the commission for infrastructure at the Belgian Parliament in Brussels October 17, 2013. MPs asked Bellens about the sale process of a large Belgacom building in the centre of Brussels and the involvement of real estate group Immobel, where Bellens is also a board member, Belgian media reported. REUTERS/Yves Herman (BELGIUM - Tags: POLITICS BUSINESS TELECOMS) 

Didier Bellens, chief executive officer of Belgian telecom operator Belgacom, arrives to testify before the commission for infrastructure at the Belgian Parliament in Brussels October 17, 2013. MPs asked Bellens about the sale process of a large Belgacom building in the centre of Brussels and the involvement of real estate group Immobel, where Bellens is also a board member, Belgian media reported. REUTERS/Yves Herman (BELGIUM - Tags: BUSINESS POLITICS TELECOMS) 

Didier Bellens, chief executive officer of Belgian telecom operator Belgacom arrives to testify before the commission for infrastructure at the Belgian Parliament in Brussels October 17, 2013. MPs asked Bellens about the sale process of a large Belgacom building in the centre of Brussels and the involvement of real estate group Immobel, where Bellens is also a board member, Belgian media reported. REUTERS/Yves Herman (BELGIUM - Tags: POLITICS BUSINESS TELECOMS) 

Didier Bellens, chief executive officer of Belgian telecom operator Belgacom arrives to testify before the commission for infrastructure at the Belgian Parliament in Brussels October 17, 2013. MPs asked Bellens about the sale process of a large Belgacom building in the centre of Brussels and the involvement of real estate group Immobel, where Bellens is also a board member, Belgian media reported. REUTERS/Yves Herman (BELGIUM - Tags: BUSINESS POLITICS TELECOMS) 

Didier Bellens, chief executive officer of Belgian telecom operator Belgacom testifies before the commission for infrastructure at the Belgian Parliament in Brussels October 17, 2013. MPs asked Bellens about the sale process of a large Belgacom building in the centre of Brussels and the involvement of real estate group Immobel, where Bellens is also a board member, Belgian media reported. REUTERS/Yves Herman (BELGIUM - Tags: BUSINESS POLITICS TELECOMS) 

Didier Bellens, chief executive officer of Belgian telecom operator Belgacom, testifies before the commission for infrastructure at the Belgian Parliament in Brussels October 17, 2013. MPs asked Bellens about the sale process of a large Belgacom building in the centre of Brussels and the involvement of real estate group Immobel, where Bellens is also a board member, Belgian media reported. REUTERS/Yves Herman (BELGIUM - Tags: BUSINESS POLITICS TELECOMS) 

Stefaan De Clerck, chairman of the Board of Directors of Belgian telecom operator Belgacom addresses a news conference in Brussels October 11, 2013. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS POLITICS HEADSHOT) 

Pierre-Alain De Smedt, chairman of the Audit and Compliance Committee of Belgian telecom operator Belgacom, speaks during a joint news conference with Stefaan De Clerck (unseen), chairman of the Board of Directors of Belgacom, in Brussels October 11, 2013. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS POLITICS HEADSHOT) 

Pierre-Alain De Smedt, chairman of the Audit and Compliance Committee of Belgian telecom operator Belgacom, speaks during a joint news conference with Stefaan De Clerck (R), chairman of the Board of Directors of Belgacom, in Brussels October 11, 2013. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS POLITICS) 

Stefaan De Clerck, chairman of the Board of Directors of Belgian telecom operator Belgacom addresses a news conference in Brussels October 11, 2013. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS POLITICS HEADSHOT) 

Pierre-Alain De Smedt, chairman of the Audit and Compliance Committee of Belgian telecom operator Belgacom, speaks during a joint news conference with Stefaan De Clerck (unseen), chairman of the Board of Directors of Belgacom in Brussels October 11, 2013. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS POLITICS) 

Stefaan De Clerck, chairman of the Board of Directors of Belgian telecom operator Belgacom, and Pierre-Alain De Smedt (R), chairman of the Audit and Compliance Committee of Belgacom, address a joint news conference in Brussels October 11, 2013. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS TELECOMS POLITICS) 

Didier Bellens, chief executive officer of Belgium's telecom operator Belgacom attends a news conference at Belgacom headquarters in Brussels September 16, 2013. Belgium said on Monday it was investigating suspected foreign state espionage against its main telecoms company, which is the top carrier of voice traffic in Africa and the Middle East, and a newspaper pointed the finger at the United States. Federal prosecutors said in a statement that the former state telecoms monopoly Belgacom had filed a complaint in July about the hacking of several servers and computers. REUTERS/Yves Herman (BELGIUM - Tags: POLITICS BUSINESS TELECOMS CRIME LAW) 

A woman leaves Belgium's telecom operator Belgacom headquarters in Brussels September 16, 2013. Belgium said on Monday it was investigating uspected foreign state espionage against its main telecoms company, which is the top carrier of voice traffic in Africa and the Middle East, and a newspaper pointed the finger at the United States. Federal prosecutors said in a statement that the former state telecoms monopoly Belgacom had filed a complaint in July about the hacking of several servers and computers. REUTERS/Yves Herman (BELGIUM - Tags: POLITICS BUSINESS TELECOMS CRIME LAW) 

A logo of Belgium's telecom operator Belgacom is seen at an entrance of Belgacom headquarters in Brussels September 16, 2013. Belgium said on Monday it was investigating suspected foreign state espionage against its main telecoms company, which is the top carrier of voice traffic in Africa and the Middle East, and a newspaper pointed the finger at the United States. Federal prosecutors said in a statement that the former state telecoms monopoly Belgacom had filed a complaint in July about the hacking of several servers and computers. REUTERS/Yves Herman (BELGIUM - Tags: POLITICS BUSINESS TELECOMS CRIME LAW LOGO)