Sunan Abi Dawud 1344
سنن أبي داود#1344SahihThe above tradition has also been transmitted by Yahya b. Sa'id to the same effect. The version adds the words:"He uttered the salutation so loudly that we could hear it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih
In-book reference: 5:95