How to register SIP phone on VoxImplant to make/receive calls?

Every VoxImplant account creates its unique 3rd level domain name and every application creates its unique 4th level domain name, this names are formed in the following way –

If you have created VoxImplant application and called it, for example, testapp and your VoxImplant account name is testacc, then the domain name will be

If you created user with username testuser and password testpwd and assigned it to the application then your credentials for SIP phone for registration or making calls will look as follows:

Username: (or just testuser)
Password: testpwd