These modern, versatile VoIP phones were briefly used and have been overhauled, tested and sanitized for the next end user. Current firmware is SIP, but is easily swapped to HFA. Power over Ethernet (PoE) or Power Supply.6-Line by 40-Character Backlit LCD Display. Fixed Function Keys: Disconnect, Redial, Call Forward, Mailbox, Program/Service, Headset, Microphone, and Speaker. The item "Wholesale Lot of 50 Siemens OpenStage 40 SIP HFA Phones with Handsets IP VoIP" is in sale since Thursday, February 6, 2020. This item is in the category "Business & Industrial\Office\Telecom Systems\Business Phone Sets & Handsets". The seller is "cedarconsumer" and is located in Lancaster, Pennsylvania. This item can be shipped to United States.