Avaya Collaboration Experience on the Avaya 9641GS Desk phone (SIP version only) takes advantage of the large, colour display to deliver touchscreen calling and easy access to a select group of features that are critical to collaboration.Hardware Specifications:Colour display 5” diagonal 4.4 inches x 2.5 inches (110.9mm x 62.8mm)Configurable line appearance / feature key buttonsCapacitive touchscreen for high accuracy and light touch4 position adjustable tilt displayWideband speakerphone0-5 SoftkeysErgonomic hearing aid compatible handset supporting TTD acoustic couplerMessage waiting indicator360-degree visual alert for incoming calls and voicemailRich, classic, alternate ringtonessoftware Specifications:SIP protocol support on Avaya Aura PlatformH.323 protocol supportStandards-based codec support: G.711, G.726, G.729A / B G.722 (G.726 is not available in SIP)