['rɔdʒə]

OK
[əu kei]

That's OK
[ðæts əu kei]

Fine
[fain]

Fine business
[fain ˈbiznis]

Thank you for answering the call
[θæŋk ju: fə ˈaːnsəriŋ ðə kɔːl]

Thanks for your call
[thanks fə jɔː kɔːl]

Many thanks  
['meni θæŋks]

I thank you very much for your call
[ai θæŋk ju: ˈvɛri mʌtʃ fə jɔː kɔːl]