Ibn Umar narrated: "I said to Bilal: “How did the Prophet (S) reply to them when they gave him Salams and he was performing Salat?' He said: “He would motion with his hand””"
SahihSahihHasan SahihBook 2 · Hadith 220
جامع الترمذي
Ibn Umar narrated: "I said to Bilal: “How did the Prophet (S) reply to them when they gave him Salams and he was performing Salat?' He said: “He would motion with his hand””"