"I was sitting with 'Uthan and he heard 'Ali reciting the Talbiyah for "Umrah and Hajj (together). He said 'Were you not forbidden to do this?' He said: 'Yes, but I heard the Messenger of "Allah reciting the Talbiyah for them together, and I will not igore what the Messenger of Allah said in favor of what you say.''
Sunan an-Nasa'i Book 24, Hadith 104
← Previous Hadith there was a man from Banu Taghlib, who was called As-Subai bin Mabad, who had been a Christian, then became of Muslim.The first time he went for Hajj, he recited the Talbiyah Hajj and "Umrah together, and he continued to recite the Talbiyah for them together, He passed by Salman bin Rabiah and Zaid bin suhan, and one to then said; "You are more lost than this camel of yours." As-Subai" said: "This upset me until I met 'Umar bin Al-Khattab, and I mentioned that to him. He said: 'Yuou have been guided to the sunnah of your Prophet shaqiq said: "Masruq bin Al-Ajda and I often used to visit As-Subai bin Ma'bad and talk with him"

Sunan an-Nasa'i Book 24, Hadith 103 Next Hadith → "I heard 'Ali binHusain narrating from Marwan, that 'Uthman forbade Mut'ah and joining Hajj and "Umrah. 'Ali said; 'Labbaika bi Hajjatin wa 'Umratin ma'an Here I am, (O Allah) for Hajj and "Umrah together. 'Uthman said: 'Are you doing this when I have forbidden it?' 'Ali said; 'I will not give up the Summah of the Messenger of Allah for any of the people.'''

Sunan an-Nasa'i Book 24, Hadith 105