Manager George Burley has named Matt Richards and Ian Westlake in the 20-man squad who travel to Yugoslavia.
Also included is defender Chris Makin who is yet to start a game for Ipswich this season because of a groin problem.
Ipswich squad: Marshall, Pullen, Makin, Clapham, Wright, McGreal, Gaardsoe, Brown, Magilton, Holland, Ambrose, George, Miller, Counago, D Bent, M Bent, Armstrong, Westlake, Richards, Bloomfield.