7" touch screen Grandstream Video voip phone GXV3175 1.with 800 x ... pixel CMOS camera 7" touch screen Grandstream Video voip phone GXV3175The GXV3175 represents the future in personal IP ... GSM-FR, G.726-32 voice codec and AAC, MP3, WMA, Real, Ogg-Vorbis audio codec Multi-language, ... 729AB, GSM-FR, G.726-32, L16-256Audio CodecAAC, MP3, WMA, Real, Ogg-VorbisMulti-languageEnglish, Chinese (simplified and ...