The aforesaid tradition has also been narrated by Abu al-Aswad through a different chain of narrators. This version adds he who raises his voice in talbiyah for ʿUmrah (and wearing Ihram for it) should put off Ihram after performing ʿUmrah.
عَنْ أَبِي الأَسْوَدِ بِإِسْنَادِهِ مِثْلَهُ زَادَ فَأَمَّا مَنْ أَهَلَّ بِعُمْرَةٍ فَأَحَلَّ