This product is either discontinued or we cannot get that from suppliers.
Yealink SIP-T46S-SFB, Port 2x 10/100/1000 Gigabit, PoE 802.3af Class 0, Display 4.3" 480x272 backlit color, Audio G.722, G.711μ/a, G.723, G.729AB, G.726, GSM, iLBC, Opus.
The SIP-T46S IP phone is the ultimate communications tool for busy executives and professionals. In addition to offering better overall performance than the T46G, this device has a faster interface with a rich, high-resolution TFT color display.