T-Mobile USA has picked Nortel for a $150 million contract to deliver mobile voice and data services and to upgrade the T-Mobile network.
The multi-year agreement is an extension of a current contract between the two companies.
T-Mobile has 26 million customers in the U.S.
“T-Mobile USA’s previous deployments with Nortel enabled us to support more subscribers with a marked improvement in network performance, capacity and call quality,” said Neville Ray, senior vice president of engineering operations for T-Mobile USA, in a statement.