Blackburn Rovers boss Gary Bowyer hopes to complete a permanent deal for on-loan Hull midfielder Tom Cairney in January.
Hull have rejected one bid for the 22-year-old, who has scored twice in 21 appearances during his time at the Championship club.
"We're constantly talking and trying to resolve it but we have to be respectful of the fact he is a Hull player," Bowyer told BBC Radio Lancashire.
"I'll be speaking to [Hull boss] Steve Bruce, unless he changes his number because he's sick of me ringing him."
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