is 233.22 KB, has a resolution of 824x824 pixels and was uploaded on June 12, 2019 @ 10:56 pm by user: gunteht. It is filed under the tags: voice over ip, corded phone, power over ethernet, multimedia, hardware. Click the blue button at the top to freely download: Yealink SIP-T48G VoIP Phone Telephone Session Initiation Protocol Gigabit Ethernet png.