AudioCodes 400HD Series - Restoring Default Settings

Administrator's Manual 2. Automatic Mass Provisioning of IP Phones using DHCP
Version 3.4.4 43 400HD IP Phones Series - Teams Compatible
Problem / Phone Screen Notification Corrective Action
Phone Screen Notification:
"Location look-up failed.
Please enter your address."
 Make sure 'Location look up' is configured by the
management shell in the Skype for Business
server.
Phone Screen Notification:
"LAN Link failure"
The LAN link is disconnected. This is a general
networking problem that's beyond the scope of this
document. Either there's a physical cabling issue or
there's a local or VLAN communications problem.
Phone Screen Notification:
"Duplicate IP"
This is a general networking problem. The IP address
configured for this endpoint was already configured
for another.
 In the DHCP server, delete the duplicate IP
address and request another.
Phone Screen Notification:
"Failed to connect to Lync server"
This is a general networking problem beyond the
scope of this document. If a communications problem
occurs in the enterprise network, for example, if the
server goes down, this notification is displayed on the
phone screen.
Phone Screen Notification:
"PIN invalid phone info"
The phone number or extension that was entered is
invalid.
 Make sure the correct information was entered in
the phone screen and in the Skype for Business
server interface, and that they tally.
 Verify in the Skype for Business server interface
that the PIN is enabled and if it isn't, enable it.
Phone Screen Notification:
"PIN not set"
 Make sure in the Skype for Business server
interface that a PIN was configured for this user
account.
 If it wasn't, create a PIN for the account.
Phone Screen Notification:
"PIN expired"

In the Skype for Business server interface, renew
the PIN expiration policy.
Phone Screen Notification:
"PIN account disabled"
 Make sure in the Skype for Business server
interface that the account was enabled. If it
wasn't, enable it.
Phone Screen Notification:
"PIN internal error"

Test the PIN Authentication process on the Skype
for Business server: Run in the server shell the
emulate cmdlet:
Test-CsPhoneBootstrap -PhoneOrExt nnnn -PIN nnnn
 If the test result is 'fail', there's a configuration
error on the Skype for Business server side,
hence the PIN sign-in failure on the phone side.
To troubleshoot, see:
http://technet.microsoft.com/en-us/library/gg412852.aspx
Note:
• The ringer LED remains red until the problem is corrected.
• Users cannot dial or initiate calls if a phone screen notification is displayed.