Cisco Systems CP7945G manual Making and Receiving Secure Calls

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Advanced Call Handling

Making and Receiving Secure Calls

Depending on how your system administrator configured your phone system, your phone may support making and receiving secure calls.

Your phone can support these types of calls:

Authenticated call—The identities of the phones participating in the call have been verified.

Encrypted call—The phone is receiving and transmitting encrypted audio (your conversation) within the Unified CM network. Encrypted calls are authenticated.

Protected call—The phone is a secure (encrypted and trusted) device on the Unified CM server and is configured as a “Protected Device” in Unified CM Administration.

If “Play Secure Indication Tone” is enabled (True) in Unified CM Administration, the protected phone plays a secure or nonsecure indication tone at the beginning of the call:

When end-to-end secure media is established through the Secure Real-Time Transfer Protocol (SRTP) and the call status is secure, the phone plays the secure indication tone (three long beeps with brief pauses).

When end-to-end nonsecure media is established through the Real-Time Protocol (RTP) and the call status is nonsecure, the phone plays the nonsecure indication tone (six short beeps with brief pauses). (This capability is a change with this release.)

If the Play Secure Indication Tone option is disabled (False), no tone is played.

Nonprotected call—The phone does not have a “Protected Device” status in Unified CM. No secure or nonsecure indication tone is played.

Nonsecure call—The phone is not protected on the Unified CM server and the call status is nonsecure.

For more information, see your system administrator.

Your system administrator also configures the VPN Client feature as needed. If it 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 login 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—

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 so you are not prompted.

Cisco Unified IP Phone Guide for Cisco Unified Communications Manager 8.5(1) (SCCP and SIP)

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Contents Americas Headquarters Page Contents Viewing or Removing Conference Participants Accessing Voice Messages Cisco One-Year Limited Hardware Warranty Terms Index If you want to Then Using this GuideGetting Started Finding Additional Information Safety and Performance InformationCisco Product Security Overview Power OutageUsing External Devices Accessibility Features Connecting Your Phone Adjusting the Handset Rest Optional Removing the Hookswitch Clip RequiredUsing a Headset Adjusting the Footstand OptionalRegistering with Taps Headset SupportOL-22332-01 Understanding Buttons and Hardware An Overview of Your PhoneCisco Unified IP Phone 7970G and 7971G-GE Cisco Unified IP Phone 7975GCisco Unified IP Phone 7945G Description Accessing Voice Messages Cleaning and MaintainingUsing Call Logs, Accessing the Help System On Your Phone,Understanding Lines and Calls Screen Features,Choosing Phone Screen Items,Icon Line or call state Description Understanding Line and Call IconsMenus, Understanding Phone Screen FeaturesIcons, page 15, and Viewing Multiple Calls, Choosing Phone Screen Items Cleaning and Maintaining the Phone ScreenScreen item Do this Cisco Unified IP Phone 7975G, 7971G-GE, and 7970GIf you want to Understanding Feature Buttons and MenusCisco Unified IP Phone 7965G and 7945G Feature Softkey Line Button Label and Icon Understanding Feature AvailabilityAccessing the Help System on Your Phone Understanding SIP vs. Sccp Placing a Call-Basic Options Basic Call HandlingFor more information If you want to Then SeeAccess Lists for Mobile Setting Up PhonesPlacing a Call-Additional Options CorporatePersonal For more information If you want to Then SeeDirectory to log Choose Personal Address BookAnswer or Answering a CallIf you want to Then For more information, see Using a Single Phone Number Using AutoAnswer with aSending a Call to a Voice Message System,Or EndCall Using Hold and ResumeEnding a Call Using Mute Switching an In-Progress Call to Another Phone Switching Between Multiple CallsViewing Multiple Calls Transferring Calls Forwarding Calls to Another Number Sending a Call to a Voice Message SystemUser Options Web Pages, Settings on the Web,Press CFwdALL or Forward All Press DND or Do Not Disturb Using Do Not DisturbMaking Conference Calls See Viewing or Removing Conference Participants, Using Conference FeaturesUsing Join Tip Using cBargePlacing or Receiving Intercom Calls See Using Conference,Viewing or Removing Conference Participants Press ConfList or Conference ListIf you want to Then Advanced Call Handling Web pages. See Accessing Your User Options Web Pages,Speed Dialing Directory on Your Phone,Personal Directory on Your Phone, Using the Personal Directory on the Web,Picking Up a Redirected Call on Your Phone Storing and Retrieving Parked Calls Logging Out of Hunt Groups Understanding Shared Lines Using a Shared LineUsing Barge to Add Yourself to a Shared-Line Call Single-button and Multi-touch Barge CBarge and BargePress Private Using BLF to Determine a Line State Making and Receiving Secure Calls VPN Configuration Prioritizing Critical Calls Tracing Suspicious CallsPress Mcid or Malicious Call ID If you ThenUsing Cisco Extension Mobility Press ChangePIN Change CredentialsPress Change See Answering a Call, Access Lists for Mobile Connect,See Switching an In-Progress Call to Another Phone, See Placing a Call-Additional Options, OL-22332-01 Using a Headset Using a Handset, Headset, and SpeakerphoneUsing a Handset Using a Wireless Headset Using a SpeakerphoneUsing Wideband with your Headset Choose User Preferences Audio Preferences Wideband HeadsetUsing AutoAnswer with a Headset or Speakerphone OL-22332-01 Customizing Rings and Message Indicators Changing Phone SettingsAccessing Your User Options Web Pages, User Preferences RingsOptions Web Pages, Customizing the Phone ScreenUser Preferences Brightness User Preferences Viewing AngleUser Preferences Background Images See Cleaning and Maintaining the Phone Screen,OL-22332-01 Using Call Logs Using Call Logs and DirectoriesState, Press EditDial Directory DialingMissed Calls or Received Calls Corporate Directory exact name can vary Using Corporate Directory on Your PhoneUsing Personal Directory on Your Phone Press Fast Dial Personal Directory Personal Fast Dials Customizing Rings and Message Indicators, Accessing Voice MessagesMessage System, Accessing Your User Options Web Pages Using the User Options Web PagesIf you want to Then do this Options DeviceUsing the Personal Directory on the Web Configuring Features and Services on the WebChoose User Options Device Click Service URL If you want to Then do this after you logChoose User Options Fast Dials Create a PAB entry. See Using Your Personal Address Book onChoose User Options Fast Dials Click Add New Choose User Options Device Setting Up Speed Dials on the WebSee Configuring Fast Dials on the Web, Setting Up Phone Services on the WebClick Phone Services Your Phone,Programmable phone button ServicesFeature buttons Choose User Options User Settings Controlling User Settings on the WebControlling Line Settings on the Web Set up call forwarding Choose User Options Mobility Settings Access Lists Setting Up Phones and Access Lists for Mobile ConnectChoose User Options Mobility Settings Remote Destinations Using Cisco WebDialer Network Configuration Host NameIf you Then For more information Understanding Additional Configuration OptionsSee Using BLF to Determine a Line See Using AutoAnswer with aSee Using Cisco Extension Advanced Call HandlingGeneral Troubleshooting Troubleshooting Your PhoneSymptom Explanation See CleaningIf you are asked to Then Viewing Phone Administration DataUsing the Quality Reporting Tool OL-22332-01 Cisco One-Year Limited Hardware Warranty Terms OL-22332-01 Index OL-22332-01 Page OL-22332-01 Page Taps