Protests are continuing outside several airports across the U-S and around the world following the implementation of President Trump's measures.
Thousands have been expressing their anger at the 90-day ban and the suspension of refugee resettlement for 120 days.
Former U-S president Barack Obama has voiced his support for those demonstrating.
A spokesman for Mr Obama says he is heartened by the level of engagement in communities around the country.
He adds that citizens exercising their Constitutional right to assemble, organise and have their voices heard by their elected officials is what is expected when American values are at stake.
Muslim leaders in the U-S have also filed a broad lawsuit against the measures on constitutional grounds.
Shereef Akeel, from the Council on American Islamic Relations, describes the actions as unprecedented.
