Sa'id bin al-Musayyib (may Allah have mercy on him) said: Sayyidah Aishah (may Allah be pleased with her) would perform Umrah at the end of Dhu al-Hijjah from al-Juhfah, and in Rajab from Madinah, and she would begin the talbiyah from Dhu al-Hulayfah.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 8726