interface between a sgsn and an eir Türkçe, interface between a sgsn and an eir Türkçesi, interface between a sgsn and an eir Türkçe çevirisi; interface between a sgsn and an eir nedir, interface between a sgsn and an eir ne demek; interface between a sgsn and an eir anlamı, interface between a sgsn and an eir tanımı