Yes. Using the Aculab licence activation server, you are able to view your current licences, and provided that your licence account has credit for the particular licence type you need, you will be able to create new licences or perform an upgrade to an existing licence. For Prosody S v3, an upgrade is performed by adding a further licence key to the target server. The ACT system will add the channel counts from the licences installed to give the total licence count. If your licensing account does not have the required credits, these can be added to your account by sending a purchase order to Aculab.