is 17.51 KB, has a resolution of 512x512 pixels and was uploaded on September 4, 2023 @ 12:33 am by user: brunich. It is filed under the tags: amazon appstore, mobile phones, voice over ip, session initiation protocol, telephone call. Click the blue button at the top to freely download: Iphone FaceTime IPhone Session Initiation Protocol Telephone Call Softphone png.