Sayyiduna Jabir bin Samurah (may Allah be pleased with both of them) narrates that the Prophet’s (peace be upon him) muezzin would call the adhan and then wait. When he saw the Prophet (peace be upon him) coming, he would begin to say the iqamah.
Hadith Referenceصحيح ابن خزيمه / كتاب الإمامة فى الصلاة وما فيها من السنن مختصر من كتاب المسند / 1525