Till where is it Sunnah to raise the hands in Takbeer Tahreema?

1. Hazrat Waa'il bin Hujr (Radiyallahu Anhu) reported that he saw Rasulullah (Sallallaahu Alaihi Wasallam) raised both hands when he had begun Salah: he said Allahu Akbar and raised his hands up to his ears. (Muslim)

2. Hazrat Malik Ibnul Huwayrice (Radiyallahu Anhu) reported that when Rasulullah (Sallallaahu Alaihi Wasallam) use to say Allahu Akbar, he used to raise both hands until they are in line with his two ears. (Muslim)

[English version of "Juska cote ça li sounnat pou leve la main dans Takbeer Tahrima?" – Al Jamiat – Vol.1 No.11]