Sahih al-Bukhari 835
Book 10: Call to Prayers (Adhaan) · Hadith 228
Hadith text
Narrated `Abdullah:When we prayed with the Prophet (ﷺ) we used to say, "Peace be on Allah from His slaves and peace be on so and so." The Prophet (ﷺ) said, "Don't say As-Salam be on Allah, for He Himself is As-Salam, but say, at-tahiyatu li l-lahi wa s-salawatu wa t-taiyibat. As-salamu `alaika aiyuha n-Nabiyu wa rahmatu l-lahi wa barakatuh. As-salamu `alaina wa `ala `ibadi l-lahi s-salihin. (If you say this then it will reach all the slaves in heaven or between heaven and earth). Ash-hadu al la-ilaha illa l-lah, wa ash-hadu anna Muhammadan `Abduhu wa Rasuluh.' Then select the invocation you like best and recite it." (See Hadith No)
Abdullah (رضی اللہ عنہ) bataate hain: "Jab hum Nabi ke saath namaz padhte, hum kehte: 'Salaam ho Allah par uske bandon ki taraf se, aur salaam ho falaan-falaan par.' Nabi ne farmaya: 'Allah par Salaam mat kaho, kyunke woh khud As-Salam hai, balki kaho: At-Tahiyyatu lillahi was-salawatu wat-taiyibat. As-salamu alaika aiyuhan-Nabiyyu wa rahmatullahi wa barakatuh. Assalamu alaina wa ala ibadillahis-saaliheen. (Agar tum yeh kaho, yeh aasman ke har bande, ya aasman-zameen ke darmiyan har bande tak pahunchega.) Ash-hadu alla ilaha illallah, wa ash-hadu anna Muhammadan Abduhu wa Rasuluh. Phir jo dua tumhe pasand ho chun kar padho.'"
Sahih al-Bukhari 835 · Book 10, Hadith 228