Cisco Systems 7975G, 7970G manual Making and Receiving Secure Calls

Page 57

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).

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 User Guide for Cisco Unified Communications Manager 8.6 (SCCP and SIP)

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Contents Americas Headquarters Page Common Phone Tasks Phone Screen Icons Contents Viewing or Removing Conference Participants Using a Speakerphone Cisco One-Year Limited Hardware Warranty Terms Index Using this Guide Getting StartedIf you want to Then Finding Additional Information Safety and Performance InformationPower Outage Using External DevicesCisco Product Security Overview 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 SystemUnderstanding Lines and Calls Icon Line or call state Description Understanding Line and Call IconsUnderstanding Phone Screen Features Icons, page 7, and Viewing Multiple Calls,Menus, Choosing Phone Screen Items Cleaning and Maintaining the Phone ScreenScreen item Do this Cisco Unified IP Phone 7975G, 7971G-GE, and 7970GUnderstanding Feature Buttons and Menus Cisco Unified IP Phone 7965G and 7945GIf you want to Understanding Feature Availability Accessing the Help System on Your PhoneFeature Softkey Line Button Label and Icon Understanding Energy Savings Understanding SIP and SccpAn Overview of Your Phone OL-22332-01 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 Directory to logChoose Personal Address Book Answering a Call If you want to Then For more information, seeAnswer or Using a Single Phone Number Using AutoAnswer with aSending a Call to a Voice Message System,Using Hold and Resume Ending a CallOr EndCall Toggle Microphone on Press Toggle Microphone off Using MuteSwitching 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 SystemSettings on the Web, Press CFwdALL or Forward AllUser Options Web Pages, Using Do Not Disturb Making Conference CallsPress DND or Do Not Disturb 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,Using the Personal Directory on the Web, Picking Up a Redirected Call on Your PhonePersonal Directory on Your Phone, Storing and Retrieving Parked Calls Logging Out of Hunt Groups Using a Shared Line Using Barge to Add Yourself to a Shared-Line CallUnderstanding Shared Lines 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 Change Credentials Press ChangePress ChangePIN Access Lists for Mobile Connect, See Switching an In-Progress Call to Another Phone,See Answering a Call, See Placing a Call-Additional Options, OL-22332-01 Using a Handset, Headset, and Speakerphone Using a HandsetUsing a Headset 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 DirectoriesMissed Calls, Placed Calls, or Received Calls. Each Missed Calls, Placed Calls, or Received CallsState, Directory Dialing Missed Calls or Received CallsPress EditDial Using Corporate Directory on Your Phone Using Personal Directory on Your PhoneCorporate Directory exact name can vary Press Select Press Fast DialPersonal 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 onClick Add New Choose User Options DeviceUsing the Address Book Synchronization Tool Setting Up Speed Dials on the WebSee Configuring Fast Dials on the Web, Setting Up Phone Services on the WebClick Phone Services Your Phone,Services Feature buttonsProgrammable phone button Controlling User Settings on the Web Controlling Line Settings on the WebChoose User Options User Settings 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 CallBack failsIf 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
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