Hearing the athaan in one’s dream during the months of Hajj (Shawwal, Zil-Qa’dah and 10 days of Zil-Hijjah), means the observer of the dream will perform Hajj. It could also mean he will attain respectability in matters of Deen.
An incomplete athaan during any month other than Thil-Hijjah means he will steal something from which he will not profit a tall and, instead, he will become popular as a chief.... Islamic Dream Interpretation
Seeing oneself calling out an incomplete athaan during the months of Hajj suggests that the observer of the dream is among the good and pious people. It could also mean he will proceed for Hajj but will not be able to complete it.... Islamic Dream Interpretation