Carter averaged 11.9 points in 81 games, all off the bench, last season for the Dallas Mavericks. The 37-year-old guard has scored 20.2 points per game over his 16-year career.
Terms of the deal announced early Saturday morning were not disclosed.
Carter moved into 25th place on the NBA's career scoring list last season, and the player once known best as a dunker also is now seventh all-time in 3-pointers made. He led the league last season with 146 off the bench.