Yealink SIP-T58A is a videophone running Android 5.1.1 with a 7 "color LCD touch-screen, different from Yealink SIP-T58V lack of USB camera Yealink CAM50 . Suitable for users who are faced with the task of receiving video from conference participants, but not transmitting it himself, and allows you to reduce costs.If necessary, a USB camera can be purchased separately. The device has two USB connectors (at the top of the device and on the back of the case), into which Yealink CAM50 , USB headset, flash drive for recording conversations and screenshots, or Yealink EXP50 plug-in. Built-in Bluetooth 4.0+ EDR allows you to connect a wireless headset to the device or synchronize it with a mobile device. The device is customized according to customer requirements (logos, screensavers on the screen, branded melodies), the system administrator can also install all the necessary applications for effective work and communication.The phone supports PoE power, but if you connect to a wireless network using the built-in WiFi module, you need to connect a power adapter from an electrical outlet (not included). Like a personal video terminal Yealink SIP VP-T49G , the new videophone can create a five-way mixed conference (3 video + 2 audio participants).