It was narrated from Sa'eed bin Jubair that he prayed Maghrib and 'Isha' in Jam' (Muzdalifah) with one Iqamah, then he narrated that Ibn 'Umar had done that, and Ibn 'Umar narrated that the Prophet (ﷺ) had done that.
It was narrated from Ibn 'Umar that he prayed in Jam'a with the Messenger of Allah (ﷺ)with one Iqamah.
It was narrated from Salim, from his father, that the Prophet (ﷺ) 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