BEREC Opinion on Phase II investigation pursuant to Article 7a of Directive 2002/21/EC as amended by Directive 2009/140/EC: Case PL/2011/1260: Revision of dispute settlement decisions concerning voice call termination on the mobile network of AERO2 sp. z o.o. in Poland

BEREC Opinion on Phase II investigation pursuant to Article 7a of Directive 2002/21/EC as amended by Directive 2009/140/EC: Case PL/2011/1260: Revision of dispute settlement decisions concerning voice call termination on the mobile network of AERO2 sp. z o.o. in Poland