This has been the call of some for just about 2000 years by millions of people. Sorry, it's not true. If it was true God would save all men. But I suppose if you keep saying it loud and long enough others will continue to believe this lie.
Because if you read St. Augustine talking about "call" you are likely to understand it in terms of a Protestant altar call, -- which is properly not the Divine call itself but a man's response to it. At any rate I find St. Irenaeus dispositive when he says, with great clarity,
I find Augustine to be clearer than Irenaeus:
"Many hear the word of truth; but some believe, while others contradict. Therefore, the former will to believe; the latter do not will." Who does not know this? Who can deny this? But since in some the will is prepared by the Lord, in others it is not prepared, we must assuredly be able to distinguish what comes from God's mercy, and what from His judgment."
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But it is the Father's gift that this may be the case. Moreover, a little after He says, "Murmur not among yourselves. No one can come to me, except the Father which hath sent me draw him; and I will raise him up at the last day. It is written in the prophets, And they shall be all teachable of God. Every man that hath heard of the Father, and hath learned, cometh unto me." [John 6.43.] What is the meaning of, "Every man that hath heard from the Father, and hath learned, cometh unto me," except that there is none who hears from the Father, and learns, who cometh not to me? For if every one who has heard from the Father, and has learned, comes, certainly every one who does not come has not heard from the Father; for if he had heard and learned, he would come.
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Why, then, does He not teach all that they may come to Christ, except because all whom He teaches, He teaches in mercy, while those whom He teaches not, in judgment He teaches not? Since, "On whom He will He has mercy, and whom He will He hardeneth." [Rom 9.18.]
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Faith, then, as well in its beginning as in its completion, is God's gift; and let no one have any doubt whatever, unless he desires to resist the plainest sacred writings, that this gift is given to some, while to some it is not given.
Your argument is with the scripture, not me. "Go ye into the whole world, and preach the gospel to every creature", Mark 16:15, and similar in every gospel.
"Faith, then, as well in its beginning as in its completion, is God's gift; and let no one have any doubt whatever, unless he desires to resist the plainest sacred writings, that this gift is given to some, while to some it is not given."
The call is to all. Faith is a response that different people have differently. Faith can be increased (Luke 17:5) or destroyed (1 Timothy 1:19).