Jami` at-Tirmidhi 192
جامع الترمذي#192SahihAbu Mahdhurah narrated that :the Prophet taught him the Adhan with nineteen phrases, and the Iqamah with seventeen phrases
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirHasan Sahih
Al-AlbaniHasan Sahih
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiSahih Muslim
In-book reference: 2:44