Niger last week scrapped a military cooperation agreement with France, which has 1,000 to 1,500 troops in the country.
Sunday’s televised broadcast included a roundtable debate on encouraging solidarity in the face of ECOWAS sanctions, which have led to power cuts and rising food prices.
The bloc’s military threat has raised fears of further conflict in a region already battling a deadly Islamist insurgency that has killed thousands and forced millions to flee.
Any military intervention could be complicated by the junta’s promise in neighboring Mali and Burkina Faso to come to Niger’s defense if needed.
Bazoum’s prime minister, Ouhoumadou Mahamdou, said in Paris on Saturday that the ousted regime still believed a last-minute settlement was possible.
On Sunday, Italy said it had reduced the number of its troops in Niger to make room in its military base for Italian citizens who may need protection if the situation worsens.