Telenor slipped to a net loss during the third quarter, due to an Indian licence impairment and ongoing VimpelCom costs.
Orange chairman and CEO Stéphane Richard is bullish on full year earnings forecasts after solid third quarter.
Orange Belgium signed up 17,600 households to its new cable service by the end of the third quarter.
Tele2 slipped to a net loss in the third quarter, due to an impairment charge in the Netherlands.
Jefferies analysts said Sweden is key to Tele2's third quarter results, which it will report on Thursday.
Ericsson warned that its third quarter sales were likely to be down 14 per cent year-on-year.
GSMA Intelligence predicted that European operators will see mobile revenues return to positive growth in 2017.
Telefónica is considering offering shares in its O2 UK mobile unit to small investors in a retail sale.
Telefónica dropped a planned initial public offering (IPO) of its Telxius Telecom tower business, citing an “inadequate valuation” of the company.
Telefónica is lining up a team of bankers and advisers to support a possible O2 UK listing.