I have selected in Settings - SIM cards - Calls - Call with SIM1 as its may prefered SIM (instead of "Ask first"), but on ocasions I need to use SIM2, in Android 6.x I was able to choose the line I want to use if I edited the number in phone dialer "Edit number before call" and select SIM I wanted to use, but with "NOUGAT" the option is not there 
Has anyone got idea how can I select the second sim for 1 off phone call?
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