For a class assignment, I went last night to a Baptist church to worship and observe how welcome the church is to visitors. At the end of the worship service, there was an altar call. The pastor called it that twice. The strange thing was -- there was no altar in the sanctuary. In fact, I can't remember ever being a Baptist church that had an altar. Which makes the Baptist practice of weekly altar calls a trifle odd. Not that there's anything wrong with inviting people to come forward in prayer. But maybe they should be called something else.
We have weekly altar calls at my church. People can come to the kneeling rail (a.k.a. "communion rail" in front of the chancel, which contains an altar.