ENOfficial
Jabir b. Samura said, “I prayed along with God’s Messenger at the two festivals, not only once or twice, without an adhan or an iqama." Muslim transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنْ جَابِرِ بْنِ سَمُرَةَ قَالَ: صَلَّيْتُ مَعَ رَسُولِ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ الْعِيدَيْنِ غَيْرَ مَرَّةٍ وَلَا مَرَّتَيْنِ بِغَيْرِ أَذَانٍ وَلَا إِقَامَة. رَوَاهُ مُسلم
sunnah.com