Yealink SIP-T41S IP Phone - Black. These phones have gone through our 21-point checklist to test and confirm functionality and evaluate the condition of the phone. This checklist includes checking the operation of the phone, buttons, handset, and cables included with the phone. Please note that this phone does not come with a power cable, but it can be used via power over ethernet (POE). We can provide a power cable for an additional $6.00. All phone have been restored to their factory settings. We also test that the phones connect to any autoprovisioning system so that they can be connected to a VOIP platform. In addition, all phones are cleaned, disinfected, and repackaged.