Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) narrates that I used to recognize the conclusion of the prayer of the Messenger of Allah (peace be upon him) by the sound of "Allahu Akbar."

It is narrated from Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) that raising the voice in remembrance after the obligatory prayer existed during the blessed era of the Messenger of Allah (peace and blessings be upon him). Sayyiduna Ibn Abbas (may Allah be pleased with them both) states that when people would finish the prayer and remember Allah aloud, I would recognize (the completion and end of the prayer) by that.