On his latest Heated Conversations podcast, Booker T confirmed he will remain on the Raw announce team through the rest of the summer.
Booker T was tapped for Raw once David Otunga, who is taking a break from WWE TV on acting jobs, came over from SmackDown Live during the Superstar Shakeup.
Here is a link to Booker T’s show:

http://www1.play.it/audio/heated-conversations-hosted-by-booker-t/