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Tracing Suspicious Calls

If you are receiving suspicious or malicious calls, your system administrator can add the Malicious Call

Identification (MCID) feature to your phone. This feature enables you to identify an active call as

suspicious, which initiates a series of automated tracking and notification messages.

If you want to...

Identify a suspicious call

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. To be identified as a secure call, both your phone and the

phones of all call participants must support these security features. Additionally, the phone system

must also be able to ensure or validate the integrity of the call between the phones. If any of these

conditions are not met, the call cannot be identified as secure, even if you are speaking to someone

within your own office or company.

Your phone supports these types of calls:

• Non-secure call—When the call is non-secure, at least one of the participating phones or the

connection do not support these security features or the phones cannot be verified.

• Authenticated call—When the call is authenticated, the identities of all phones participating in the

call have been verified.

• Encrypted call—When the call is encrypted, the data in the call (your conversation) is being sent

only to the intended recipient (the other phones on the call), and it is encrypted so that no one can

tamper with it or listen in on the conversation. Encrypted calls are also authenticated.

If you want to...

Check the security level of a call

Determine if secure calls can be

made in your company

Cisco IP Phone 7970

Then...

Press MCID. You will hear a special tone and see the message,

"MCID successful" on your phone. The call remains active

until you end the call.

Then...

While on an active call, if the call is non-secure, no special icon

appears in the call activity area. However, if the call is secure,

your phone displays one of the following icons:

Authenticated call

Encrypted call

Contact your system administrator.

Advanced Call Handling