Ya we do it.. altho no one actually has to come up and pray with the Pastor or worship leader or a particular person.. the Pastor or person doing the sermon presents the gospel, and then says if you want to ask Christ into your life you can now as we bow our heads and pray. The Pastor or person doing the preaching also normally asks us to think about the sermon and what people need to say to God in response to it.
That is from our little independent, fundamentalist baptist church in Christchurch, New Zealand.
This call is also not for those saved.. because we believe that once you have asked Christ in once.. it doesn't need to be ever done again.. (altho if you aren't sure, there is no harm in doing it again)..
since the first time Christ comes in from the call to Him.. He seals you with His Holy Spirit, guaranteeing eternal life and forgiving all sin past, present and future.
So we do have the call.. but there is no re-commitment prayer or prayer for those who think they have lost their salvation.
1 Peter 3:
18 ¶ For Christ also hath once suffered for sins, the just for the unjust, that he might bring us to God, being put to death in the flesh, but quickened by the Spirit:
1Jo 5:11 And this is the record, that God hath given to us eternal life, and this life is in his Son.
Joh 5:24 Verily, verily, I say unto you, He that heareth my word, and believeth on him that sent me, hath everlasting life, and shall not come into condemnation; but is passed from death unto life.
Joh 6:40 And this is the will of him that sent me, that every one which seeth the Son, and believeth on him, may have everlasting life: and I will raise him up at the last day.
Joh 6:47 Verily, verily, I say unto you, He that believeth on me hath everlasting life.
1Jo 5:13 These things have I written unto you that believe on the name of the Son of God; that ye may know that ye have eternal life, and that ye may believe on the name of the Son of God.
from NZguy