Central European States, Germany and Luxembourg are due to meet and discuss ways to tackle the migrants crisis.
Germany is pushing a quota system that would oblige EU States to take fixed numbers of new arrivals.
The European Commission wants 120,000 additional asylum seekers to be shared out between 28 members; a sharp increase from the previous proposal of 40,000.
But the Czech Republic, Hungary, Poland and Slovakia have rejected the proposals.
Meanwhile, an Austrian woman revealed that migrants are being treated like animals with bags of food thrown at them at the Hungarian camp near the Serbia border.
In recent weeks, tens of thousands of migrants have been desperately trying to flee conflicts in countries such as Syria and Libya.
The Emergency Director of Human Rights Watch said the migrants were being held like “cattle in pens”.
The UN’s refugee agency, UNHCR, said it was sending 300 pre-fabricated housing units to Hungary.
There is also a bottleneck at Hungary’s border with Austria. Officials said about 8,000 people had crossed into Austria at Nickelsdorf on Thursday and a similar number were expected on Friday.
