Avaya 1200 - Manual (Page 32)

Welcome
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providers require that you enter a Directory Number (DN) to initiate a
call, for example, 555-5555. Contact your system administrator to
determine whether your Call Server supports SIP address dialing.
Security features
Before you can use your IP Deskphone, an ID and password must be
assigned to your IP Deskphone. This security measure ensures that, after
you log off, calls cannot be made from your IP Deskphone and features,
such as Address Book, are inaccessible. Your ID and password also
prevent unauthorized access to your user profile.
Secure connection
Call security is identified by the presence of a security icon (padlock)
that is displayed on the IP Deskphone screen.
After the IP Deskphone is registered with the SIP Proxy, you can view the
security icon when:
• the IP Deskphone is idle
• you are on an active call