BEREC Opinion on Phase II investigation pursuant to Article 7a of Directive 2002/21/EC as amended by Directive 2009/140/EC: Case PL/2011/1255-1258 – Voice call termination on individual mobile networks of Polska Telefonia Cyfrowa Sp. z o.o., P4 Sp. z o.o., Polkomtel S.A. and Polska Telefonia Komórkowa 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/2011/1255-1258 – Voice call termination on individual mobile networks of Polska Telefonia Cyfrowa Sp. z o.o., P4 Sp. z o.o., Polkomtel S.A. and Polska Telefonia Komórkowa Sp. z o.o. in Poland