I add: al-Ṭaḥāwī (1/409) transmits—through the route of al-Aswad—that he prayed with ʿUmar ibn al-Khaṭṭāb on two separate occasions, combining two prayers; for each prayer an adhān and an iqāmah were given, and they took supper in between. Its chain is sound, as al-Ḥāfiẓ affirms (3/413).
The same is authentically reported from Ibn Masʿūd; al-Bukhārī (3/492) and Ibn Ḥazm (7/127) record it in wording similar to that of ʿUmar’s report. It is also narrated from ʿAlī—may Allah be pleased with him—and is the view of Muḥammad ibn ʿAlī ibn al-Ḥasan, who related it from the scholars of his household; Mālik likewise adopts it. Ibn Ḥazm comments:
“Nothing in the way of a prophetic report proves this opinion, (1) nor do the statements of ʿUmar, Ibn Masʿūd, or ʿAlī constitute proof, for other Companions differed with them. Reports that accord with our position are narrated from Ibn ʿUmar, his son Sālim, and ʿAṭāʾ.”
8 – In the same manner, when one makes up missed obligatory prayers—no matter how many—only one adhān is given for all of them, just as the Messenger of Allah ﷺ did.
There are several hadiths on this:
The first is the narration of Abū Qatādah concerning their oversleeping the dawn prayer, in which the Prophet ﷺ ordered Bilāl to give the adhān for it.