The SIP-T41P is a feature-rich sip phone for business. The 6-Line IP Phone has been designed by pursuing ease of use in even the tiniest details. Delivering a superb sound quality as well as rich visual experience. With programmable Keys, the IP Phone supports vast productivity-enhancing features. Using standard encryption protocols to perform highly secure remote provisioning and software upgrades. POE Support (Power Over Ethernet) Power Supply Not Included.