to call someone over the telephone

just to make sure / just in case / for the present, for the time being / tentatively / by and large, for the most part

成り掛ける: to be on the verge, to be on the brink.

賭け: gambling, betting / 掛: credit / soba served in a hot soup

to call by phone

when it comes to... / in the filed of...

to address someone, to direct, to do (something to someone) / to be about to, to begin / in the middle of, to begin (not complete)

telephone / telephone call; phone call; call

to make a phone call; to telephone; to call

honorific of かける (kakeru): (honorific) to sit down