He expressed the hope that extension of ceasefire prepares the ground for start of a new and constructive process in the Afghan People's Dialogue on Peace.
The spokesman also hoped that the ceasefire between Taliban and the Afghan government leads to sustainable peace and stability in the country.
Afghanistan's government has extended ceasefire with the Taliban following an initial truce observed by both sides over the Eid period.
A car bomb killed at least 26 people at a gathering of Taliban and Afghan armed forces in the eastern city of Nangarhar on Saturday. Daesh (ISIS) terrorists have claimed responsibility.