The city recently spent $4 million to upgrade the 911 system.

In September 1971, it was decided to upgrade the system with better technology.

"I know you wanted to upgrade several systems," he had said.

It is spending $100 million to upgrade its systems in 14 states.

P-1 decided to upgrade the system a week after they powered up.

They were all the time upgrading their systems to stay competitive.

After the last drought, the state upgraded the system for moving water.

The phones went down during attempts to upgrade the system, officials said.

The original target market was small companies ready to upgrade their existing systems.

But the answer is clearly to upgrade the system, not reduce precautions.