Often a call to 112 results in the participation of multiple Public Safety Answering Points and Emergency Response Organisations in the resolution of the emergency situation, often this will include the need for crossborder collaboration. In order to ensure the quick and efficient cooperation during an emergency, response teams need to work under clearly defined rules of engagement, using overall goals that have well defined the type and level of cooperation required. This article analyze the routs of the most powerful cooperation unde the European Emergency Number Asociations, that include stakeholders from al parts of the emergency communications sector with the aim of brindging communication and dialogue and allowing them to proggress by working together.