Tiptel VoIP phone tiptel 220. Voice codecs: G.729, G.711, G.723, G.726, VoIP protocols: SIP v.1 & v.2, Networking features: 10/100 Mbps. Interface: 1 x RJ45 10/100M Base-T. Weight: 775 g, Dimensions (WxDxH): 200 x 180 x 80 mm. Operating temperature range (T-T): 0 - 45 °C. Power requirements: 230VAC 50 Hz