Suhaib narrated:
"I passed by Allah's Messenger (S) while he was performing Salat, so I said greeted him with Salam, and he returned it by making signals." He said: "I do not know except that he said: 'He indicated with…
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.'"