Anonymous5 years ago000Which adapter is needed to connect this product to an Aastra business 70IP?Show in original language (German)tomex5 years ago • purchased this product000purchased this productHello, according to my assessment, the connection with this headset is not possible. It would work with a Jabra PRO 92x and the adapter Jabra LINK 14201-10.Show in original language (German)Comment