The phrase "an earlier call" is correct and usable in written English.
It can be used when referring to a phone call or communication that took place before the current moment or discussion.
Example: "During our meeting, I mentioned an earlier call I had with the client regarding the project updates."
Alternatives: "a previous call" or "a prior call".
Yishai repeated an earlier call for all migrants to be jailed pending deportation.
And the union has suspended an earlier call for a citywide boycott of the papers.
Irked by an earlier call, Krzyzewski, already animatedly trying to inspire his team, began arguing with the official Terry Christman.
In an earlier call, just after John F. Kennedy's assassination, L.B.J. had told King "how worthy I'm going to try to be of all your hopes".
She repeated an earlier call for Israel to "conduct a prompt, impartial, credible and transparent investigation that conforms to international standards".
But the government's chief spokesman, Yukio Edano, repeated an earlier call for all six reactors at the 40-year-old plant to be decommissioned.
Some of its members had been warned at an earlier call-in, they didn't listen, and now an example was being made of them.
The man had approached the Chief after an earlier call-in, saying that he wanted to get out of the gang, but he had a felony conviction and doubted he could get a job.
This proves useful for a set steeped in old-time Americana; Leadbelly's Midnight Special, the Carter Family's Railroading on the Great Divide, folk ballads such as In the Pines, John Henry and Rock Island Line – the last made famous in the UK by skiffle king Lonnie Donegan, but here returned to an earlier call-and-response form.
A year after landing an earlier call-center job in 2009 and renting her own apartment, she headed out to a shopping area early one evening with a male friend.
