Cisco 7975G IP Phone 5.6-inch graphical TFT color touchscreen display, 1 6-bit color depth, 320 x 240 effective pixel resolution, with backlight Support for wideband (G.722 codec, adherence to TIA 92 0), including handset, headset, and speakerphone G.711a, G.711, G.729a, G.729ab, G.722, and iLBC au dio compression codecs are supported Full-duplex speakerphone with acoustic echo cancellation Provides direct access to voicemail