BEIJING -- Nortel Networks* NYSE/TSX: NT will continue to provide 'round the clock' network support for subsidiaries of China Telecom, China Unicom and China Mobile under one-year extended warranty service agreements announced today.

These extensions include remote technical support, hardware repair and return, field service engineering, and knowledge transfer services for the China Telecom Shanghai Branch ATM (asynchronous transfer mode) network, and for the GSM (Global System for Mobile Communications) digital wireless networks of China Unicom Hunan Branch and China Mobile Xinjiang Branch.

"We strive to help our customers maximize their return on investment in Nortel Networks solutions," said Robert Mao, president and chief executive officer, Greater China, Nortel Networks. "These extensions are further testament to our success. We offer flexible service solutions built on our extensive experience in network maintenance and technical support."

Nortel Networks Corp.