WEB
It happened, at the return of the year, at the time when kings go out, that David sent Joab, and his servants with him, and all Israel; and they destroyed the children of Ammon, and besieged Rabbah. But David stayed at Jerusalem.
YLT
And it cometh to pass, at the revolution of the year—at the time of the going out of the messengers—that David sendeth Joab, and his servants with him, and all Israel, and they destroy the Bene-Ammon, and lay siege against Rabbah. And David is dwelling in Jerusalem,