deactivate the registered SIP account.
Display Name: configure the name, for example the device’s name
to be be shown on the device being called to.
Display Label: configure the device label to be shown on the device
screen.
Register Name: enter the SIP account register Name obtained
from the SIP account administrator.
User Name: enter the user name obtained from SIP account
administrator.
Password: enter the password obtained from the SIP account
administrator.
9.2.2. SIP Server Configuration
SIP servers can be set up for device in order to achieve call session