Polycom 2200-46157-025 VVX 400 IP Business PoE Telephone (Power supply not included) Give your call attendant a high-quality, cost effective UC solution that will handle their moderate call volume and provide them with the advanced telephony features they expect from a modern media phone Make more efficient and productive calls with the unparalleled voice clarity of Polycom HD Voice Improve productivity for office staff and cubicle workers via an intuitive larger, color display and easy to use line appearances Reduce deployment and maintenance coststhe Polycom Zero Touch Provisioning and web based configuration tool makes the VVX 400 simple to deploy, easy to administer, upgrade, and maintain Leverage previous IT infrastructure investmentsdeploy VVX 400 business media phones on your existing network without needing to upgrade your call control platform