During the exercise, the pilots used tactical call signs to maintain radio security and unit cohesion.

During the emergency drill, all operators logged the net call signs before reporting to the coordinator.

When the river crested, the county issued a reverse 911 call ordering residents in low-lying areas to evacuate immediately.

When he threatened to quit unless promoted, we decided to call someone's bluff and continued the project.

In meetings, he doesn't sugarcoat his feedback; he prefers to call it as one sees it and point out the team's weaknesses.

To reach her in Spain, I had to add the international call prefix before the local number.

The call money rate climbed yesterday, prompting banks to adjust their liquidity strategies.

Investors closely watched the call money rates as the central bank announced new liquidity measures.

The September call-ups provided a much-needed boost to the struggling lineup as the pennant race tightened.

A September call-up provided the extra bullpen arm the team needed during the final series.