If you got “Register failed”, please try the following settings on the phone
- SIP settings and set “Use Security = No”.
Even if “Use Security” is off, a SIP based authentication will be used.
- Set language as English
- Set realm for [Proxy Server] and/or [Registrar Server] on Nokia phone to the same as the realm at BSS > [Configuration]>[SIP]>[Authentication], when Authentication for REGISTER is used