The phrase "a universal call" is correct and usable in written English.
It can be used in contexts where you are referring to an invitation or appeal that is intended for everyone, regardless of their background or circumstances.
Example: "The organization issued a universal call for peace and unity among all nations."
Alternatives: "a global appeal" or "a worldwide invitation".
"This is a universal call.
Among medical educators, there is a universal call for curricula that emphasize development of character, compassion, and integrity.
In 2016, the United Nations adopted 17 goals commonly known as the Sustainable Development Goals (SDGs)—as a universal call to action to end poverty, protect the planet and ensure that all people enjoy peace and prosperity.
Domestic violence is prevalent in every demographic, consequently, a universal call for "zero tolereance" must be shouted in every community.
In my opinion, John Lennon's song "Imagine," was a universal call to the world that healing and change must occur.
"Unite For Children, Unite Against AIDS" – a universal call to action: The event will be broadcast live on APTN Direct and UNTV.
As that War was brewing in 1936 and factions within the Kuomingtang were in power struggles verging on civil war, Li gave up his commission with one faction leader, while issuing a universal call-out to all Chinese forces to unite under the leadership of Chiang Kai Shek in resistance against Japan.
Though King is a famous example, Gilbert believes that a universal calling -- a yearning to step out -- lies within all of us.
Pope Francis said his words are addressed to all people, much as his predecessor, Pope John XXIII, made a similar universal call to humanity in his 1963 encyclical, Peace on Earth, which came as the world faced the risk of nuclear war.
In a statement Universal called the lawsuit "completely baseless," noting that full footage of the encounter shows that Ms. Olson was never touched.
In a statement, Universal called the claims by the Marley estate "meritless" and said, "We are offering Bob Marley ring tones through Verizon in accordance with the terms of a longstanding contract between Bob Marley and UMG".
