IP500 running R4.2 or earlier; Professional Edition is required. IP500 running R5.0 or higher. IP500 V2 running R6.0 or higher. Power supply and power cord. The item "Avaya 700426224 IP Office 500 Phone 30 External Expansion Module" is in sale since Thursday, December 10, 2020.This item is in the category "Business & Industrial\Office\Telecom Systems\Phone Switching Systems & PBXs". The seller is "suncoast17" and is located in Glen Burnie, Maryland. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, South Korea, Indonesia, South africa, Belgium, France, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Mexico, New Zealand, Singapore, Switzerland, Norway, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Chile, Colombia, Costa rica, 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.