Polycom 24V IP Phone Power Supply (5-Pack).. Item # 2200-17569-001.. The Polycom 2200-17569-001 24 volt IP phone power supply provides AC power to the Polycom SoundPoint IP phones when in-line power over Ethernet is not available. It can be used with models SoundPoint IP 320, IP 330, IP 430, IP 550, IP 601 and IP 650 IP phones... 2200-17569-001