Cisco SPA922 is one line IP phone. It uses 4.1W of energy when turned on and ready to use. I didn't check how this changes on call, but phones are usualy in standby mode, so this shouldn't matter.
WattmeterCisco SPA922 is one line IP phone. It uses 4.1W of energy when turned on and ready to use. I didn't check how this changes on call, but phones are usualy in standby mode, so this shouldn't matter.