AudioCodes 420HD, Administrator'S Manual

Page: 125 / 146

Administrator's Manual 8. Troubleshooting
Version 2.0.11 125 400HD Series IP Phone with Microsoft Lync
8 Troubleshooting
This section provides various troubleshooting procedures.
8.1 Unable to Sign in to Lync using Username/Password
Problem Unable to sign in to Lync using the username/password sign-in
method.
LCD Message "Invalid address, username or password"
Corrective Actions
1
Ensure that you have correctly entered the sign-in address, username, and password.
2
Ensure that you have the correct username/password; it may have changed in the
Enterprise's Active Directory.
3
Ensure that you are in the correct sign-in method (press the Sign-in softkey, scroll
down to Switch sign-in method, and then press the OK key or Select softkey).
8.2 Unable to Authenticate User using PIN
Problem Unable to authenticate user when signing in to Lync using PIN code.
LCD Message "The phone number or extension is not valid"
Corrective Actions
1
Ensure that you have entered the phone number / PIN code correctly.
2
Ensure that you have the correct PIN code; it may have changed in the Enterprise's
Active Directory.
3
Ensure that you are in the PIN code sign-in method (press the Sign-in softkey, scroll
down to Switch sign-in method, and then press the OK key or Select softkey).
8.3 IP Phone Fails Registration Process
Problem The phone fails to register.
LCD Message -
Corrective Actions
Make sure that:
1
DHCP Option 43 has been configured.
2
Access is possible from the following Web site:
https://YOUR_AUTHORITY_SERVER:443/CertProv/CertProvisioningService.svc
3
If the environment supports more than one CA Certificate, this must be included in the
CA Certificate file and loaded to the IP phone.
http://arttel.ru
http://arttel.ru/shop/ip-telefony/ip-telefon-audiocodes-420hd