Yealink IP Phone Model: SIP-T9CM[23 Jul. 2010, 8:01:00]
2x16 characters LCD with backlight.
Voice codec: G.711, G.729AB, G.726, G.723.1 and GSM.
Supports SIP 2.0 and NAT transverse: STUN mode.
2xRJ45 ports with router built-in, one for internet, one for PC.