Suggested Retail:$144. Polycom VVX 350 OBI Edition IP Phone - Power Supply Not Included. Polycom VVX 350 OBi Edition saves businesses both time and money through its simplified deployment and administration. It comes with OBi software preinstalled to enable OBi Zero-Touch and PDMS-SP integration. Service providers no longer need to open phone boxes to provision them before sending them to their customers with cloud-based Zero-Touch Provisioning from Polycom.. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.