42 OL-17709-01
Making and Receiving Secure Calls
Depending on how your system administrator has configured your phone system, your phone might
support making and receiving secure calls.
Your phone is capable of supporting these types of calls:
• Authenticated call—The identities of all phones participating in the call have been verified.
• Encrypted call—The phone is receiving and transmitting encrypted audio (your conversation)
within the Cisco IP network. Encrypted calls are also authenticated.
• Non-secure call—At least one of the participating phones or the connection does not support these
security features, or the phones cannot be verified.
Note There are interactions, restrictions, and limitations that affect how security features work on
your phone. For more information, ask your system administrator.
If you want to... Then...
Check the security level of a call or
conference
Look for a security icon in the top right corner of the call
activity area, next to the call duration timer:
Authenticated call or conference
Encrypted call or conference
Non-secure call or conference
Determine if secure calls can be
made in your company
Contact your system administrator.
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