I never saw the Messenger of Allah ﷺ raising his hands and praying on the pulpit or otherwise. But I saw him saying (doing) this way, and he would point with his forefinger making a circle by joining the middle finger with his thumb.  

مَا رَأَيْتُ رَسُولَ اللَّهِ ﷺ شَاهِرًا يَدَيْهِ قَطُّ يَدْعُو عَلَى مِنْبَرِهِ وَلاَ عَلَى غَيْرِهِ وَلَكِنْ رَأَيْتُهُ يَقُولُ هَكَذَا وَأَشَارَ بِالسَّبَّابَةِ وَعَقَدَ الْوُسْطَى بِالإِبْهَامِ  

[Machine] "I have never seen the Messenger of Allah ﷺ gesturing with his hands and supplicating on a pulpit or other than it, but I have seen him saying this," and Abu Sa'eed said, while curved his index finger of his right hand.  

«مَا رَأَيْتُ رَسُولَ اللَّهِ ﷺ شَاهِرًا يَدَيْهِ يَدْعُو عَلَى مِنْبَرٍ وَلَا غَيْرِهِ وَلَكِنْ رَأَيْتُهُ يَقُولُ هَكَذَا» وَقَالَ أَبُو سَعِيدٍ بِأُصْبُعِهِ السَّبَّابَةِ مِنْ يَدِهِ الْيُمْنَى يُقَوِّسُهَا