Exclusive Hiring Of Me, Epp Or Equivalent To Supply Of: Item 01 - 50 (Fifty) Ip Voip Phone Devices With Graphic Display, Black, With The Following Minimum Features: Lan (Pc Port) 10/100 Mbps; Wan (Internet Port) 10/100 Mbps; Approximate Consumption 2.5 W; Source Input: Ac 100 To 240 V / Output: Dc 12 V / 500 Ma; Type Of Display 128 X 32 Monochrome Chart; G711-A, G711-U, G722, G723, G726, G729 And Ilbc; History 400 Inputs (100-Orig/100-Tec/100-Not Aten/100-Ede; Sip 2.0 Protocol; Support To A Sip Account; Hd Quality Vival; 128 × 32 Pixels Graphic Display; Menu Key To Access To Voice Mail1 Basic Settings1 With Led Signaling; Led-Signs Via Headset; Installation On A Table Or Wall Signs;