(a) The same hadith is also reported through another chain.
(b) Imam Muslim (may Allah have mercy on him), reporting this incident in the hadith of Jabir bin Abdullah (may Allah be pleased with them both), said: "He (peace and blessings be upon him) turned towards us, and seeing us standing, he gestured to us to sit."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 3414