It was narrated from Salim, from his father, that the Prophet (S.A.W) joined them (Maghrib and 'Isha') in Al-Muzdalifah, and he prayed each of them with an Iqamah, and he did not offer any voluntary prayer before or after either of them.
Hadith ReferenceSunan an-Nasa'i / The Book of the Adhan (The Call to Prayer) / Hadith: 661
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح بخاري