Secure Calls
If you want to...
Verify that the phone connection (call
status) is secure.
Determine if secure calls can be made
in your company
There are interactions, restrictions, and limitations that affect how security features work on your phone. For
more information, contact your system administrator.
Note
Cisco determines that a device engaged in a call is either trusted or untrusted. Lock or shield icons are not
displayed on a Cisco Unified IP Phone screen when a call is to or from an untrusted device, even though
the call might be secure.
VPN Client
Your system administrator configures the Virtual Private Network (VPN) Client feature as needed. If the VPN
Client feature is enabled and the VPN Client mode is enabled on the phone, you are prompted for your
credentials as follows:
• If your phone is located outside the corporate network: You are prompted at logon to enter your credentials
based on the authentication method that your system administrator configured on your phone.
• If your phone is located inside the corporate network:
To access the VPN Configuration settings, press the Settings button and choose Security Configuration >
VPN Configuration.
Cisco Unified IP Phone 7975G, 7971G-GE, 7970G, 7965G, and 7945G User Guide for Cisco Unified Communications
Manager 9.0 (SCCP and SIP)
34
◦ If Auto Network Detection is disabled, you are prompted for credentials, and a VPN connection
is possible.
◦ If Auto Network Detection is enabled, you cannot connect through VPN and you are not prompted
for credentials.
Then...
Listen for a secure indication tone at the beginning of the call:
• Secure call status: If the phone is protected, the Play Secure
Indication Tone is enabled, and the call status is secure, a
secure indication tone plays on the protected phone at the
beginning of a call (three long beeps with pauses). The lock
icon is also present to indicate that the call is secure.
• Nonsecure call status: If the phone is protected, the Play
Secure Indication Tone is enabled, and the call status is
nonsecure, a nonsecure indication tone plays on the protected
phone at the beginning of a call (six short beeps with brief
pauses). The play arrow icon is also present to indicate that
the call is not secure.
For more information, contact your system administrator.
Contact your system administrator.
Calling Features
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