Sunnah.com reference : Book 2, Hadith 50English translation : Book 2, Hadith 0Arabic reference : Book 2, Hadith 188
And in another narration he reported:
The Adhan was not announced for any one of them.
وَفِي رِوَايَةِ لَهُ: { وَلَمْ يُنَادِ فِي وَاحِدَةٍ مِنْهُمَا }  .‏