450HD IP Phone
User's Manual 28 Document #: LTRT-14820
4. Touch the Sign in softkey; after signing in successfully, the New Device Lock Code screen
opens (see Section 4 for details).
3.5.2 Signing in with User Name and Password
This section shows how to sign in with User Name and Password.
To sign in with User Name and Password:
1. In the 'Sign-in options' screen, select User name and Password.
Note: Signing in with a username that is a NetBIOS Domain Name, i.e., domain\username,
or with the PIN Code, are disallowed for Skype for Business online sign-in. They are only
allowed for on-premises sign-in. Online sign-in must be in the following format:
• Sign-in address, i.e., SIP URI. To switch from letters of the alphabet to symbols such as
@, - and period, see Section 3.4.
• User name, in UPN (User Principal Name) format, i.e., the way the user's name appears in
their e-mail address listed in the Active Directory: username@domain.com
• User’s network IT password (the same password you use to access your PC)
2. Touch the Sign in softkey; after signing in successfully, the New Device Lock Code screen
opens (see Section 4 for details).