Sayyiduna Jabir bin Samurah (may Allah be pleased with him) says that the Prophet (peace and blessings be upon him) used to deliver two sermons and sit between them; he would recite the Qur'an and admonish the people.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الجمعة / 5773