Come with rack mount if desired. Each has  DS 700504556 and one 700431778 modules installed. All units with embedded voicemail active.
I also have 9608 phones available. The item "Avaya IP Office 500 IP500V2 Controller SD Card 700476005 with2 700504556 ATM4v2" is in sale since Tuesday, March 5, 2019. This item is in the category "Computers/Tablets & Networking\Enterprise Networking, Servers\Switches & Hubs\Network Switches". The seller is "eb_surplus" and is located in Bethel, Minnesota.This item can be shipped to United States, Canada, United Kingdom, China, Germany, Japan, France, Australia, Russian federation, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Greece, Portugal, Cyprus, Slovenia, Sweden, South Korea, Indonesia, Taiwan, South africa, Belgium, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Austria, Bahamas, Israel, New Zealand, Philippines, Singapore, Switzerland, Norway, Croatia, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Uruguay.