Yealink MP52 Microsoft Teams Edition. Product type: IP Phone, Product color: Gray, Handset type: Wired handset. Operating system installed: Android, Compatible products: Microsoft Teams. Display diagonal: 2.4", Display resolution: 320 x 240 pixels, Graphical user interface (GUI) language: Multi. Voice codecs: AGC, AJB, CNG, G.711alaw, G.711ulaw, G.722, G.722.1, G.722.1C, G.723, G.726, G.729A, G.729B, OPUS,.... Video codecs: SILK Opus, G.722, G.722.1, G.722.1C, G.711 (A/μ), G.723, G.726, G.729AB, ILBC