This again is all standard practice. A factory reset can be performed on the units menu if you are using a different system than Star2Star. Please understand that ALL VOIP systems require some level of expertise and you must have a professional to make these work. I apologize but I i will be out of town.
The item "Lot of 5 Polycom VVX 400 VoIP SIP Gigabit HD Voice Phone PoE" is in sale since Monday, April 22, 2019. This item is in the category "Computers/Tablets & Networking\Enterprise Networking, Servers\VoIP Business Phones/IP PBX". The seller is "lakelandrxrus" and is located in Reeds Spring, Missouri. 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, China, Sweden, South Korea, Indonesia, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, New Zealand, Philippines, Singapore, Switzerland, Norway, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Aruba, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Turks and caicos islands, Barbados, Bangladesh, Bolivia, Egypt, Gibraltar, Guadeloupe, Iceland, Jordan, Cayman islands, Sri lanka, Martinique, Maldives, Nicaragua, Pakistan, Paraguay, Uruguay.