BT Sport has selected Ericsson to help launch three new television channels and an interactive red button service in the UK.
The Sweden-based vendor will be responsible for designing, building and running BT Sport Europe, free-to-air service BT Sport Showcase, and BT Sport UHD, the first ultra-high-definition channel to launch in the UK.
BT unveiled the new channels earlier this month, as part of its attempt to monetise its billion euro investment in European football rights.
An interactive red button service will enable viewers to choose between eight UEFA games broadcast live simultaneously.
Financial details of the "multi-year" deal were not disclosed.
As part of the deal, BT Sport has also extended Ericsson's existing six-year contract for its BT Sport 1 and 2 channels by an additional three years.
This contract includes playout and media management services and access services for both channels.
The operator has over five million BT sport customers, including those who watch it on Virgin via a wholesale agreement
Jamie Hindhaugh, COO, BT Sport and BT TV, said: "BT Sport's UEFA Champions League coverage sets out to bring viewers the best ever experience of football's leading club competition.
“Our 4K coverage of the UEFA Champions League alongside other competitions will bring a truly cinematic experience into fans' living rooms."
For Ericsson, the news builds on a seven-year contract it won with UK-based broadcaster the BBC earlier this month.
Thorsten Sauer, Head of Broadcast and Media Services at Ericsson, said: “This partnership is a significant win for our business and really underlines our role as a trusted partner to some of the world's leading broadcasters and sports rights holders.”