You need to get your client to email you authority in the way of a letter , with the clients letterhead and signature, download the template at the end of this article.
Create a support ticket on our NEC PRC helpdesk, uploading the letter.
It can take NEC Australia a few days to migrate.
NOTE SV9100:
If the previous dealer didn’t apply a “Version License” that comes with every SV9100 to the HWKC , then there is no way to recover it. NO other License ( SIP Trunk , SIP Extension , etc ) can be applied without this system license & you may have to charge your client for the following …
There is no way to recover this License from the previous dealer if they didn’t apply it when they purchased the starter kit.