Musnad Ahmad 907:223

Waki' narrated to us, Sharik narrated to us, from Simak ibn Harb, from Jabir ibn Samurah, who said: "There was no Adhan (call to prayer) for the Messenger of Allah, peace and blessings of Allah be upon him, nor was there an Iqamah (call to commence prayer) for him for the two Eids."