Polycom CX5500 Administrator's Manual page 161

Polycom CX5500 Unified Conference Station Administrator's Guide
4 In the Base Profile menu, select Lync, as shown.
The phone automatically restarts and displays the Lync Server Sign In screen.
Troubleshooting: Rebooting the Phone
If the phone does not restart, you can manually restart by powering off/on the phone. You can also
manually reboot the phone: Tap Settings > Advanced, enter the password (default 456), and
choose Reboot Phone. When the phone completes the reboot cycle, the Lync Server Sign In
screen displays.
To sign in and register a line with Lync Server:
1 Enter your sign in credentials in the following formats:

Sign In Address This is your Lync SIP URI address, not the user name for the Active
Directory account. For example, username@domain.com.

Domain By default, use the NetBIOS domain name. If that does not work, try the DNS domain
name (for example, domain.com).

User user name

Password password
2 Select Sign In.
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