Update

New USB Features , Switching Call Applications, Plus Various Bug Fixes

Improvements

USB Features on CCX Phones
All Poly CCX business media phones connect with personal computers for additional functionality. In USB audio mode, users can use the phone as an external audio device. As a USB phone, users can take incoming calls and place outgoing calls through their softphone clients on their computers with their CCXphones.

Note: Poly CCX 400 business media phones can't connect to a computer and a USB headset at the same time. Users can continue to use sets that connect to the phone's RJ9 port

  • USB Audio Mode on CCX Phones
    USB audio mode enables users to connect their phones to their computers and use them as external USB audio devices.
    You can now use USB audio mode on CCX 400 phones and on all available base profiles.
    Note: USB audio mode prevents CCX 400 phones from connecting to USB sets. To use a USB headset on CCX 400 phones, you must disable USB audio mode
  • USB Phone Mode on CCX Phones
    Use your Poly CCX business media phone in USB phone mode while connected to a computer.USB phone mode enables users to place calls directly from the phone hardware through softphone clients, such as Skype for Business or Microsoft Teams, on their Windows computers. Mac computers don't support dialing from the USB phone.
    The softphone client on the computer must support Human Interface Device (HID) connections to support USB phones. No other native call applications can run on the phone while in USB phone mode. For the best performance, only use USB phone mode with one softphone client at a time.
    Note: CCX phones in USB phone mode don't support HID connections in a Zoom Rooms environment.
    Use the call controls from the Zoom Rooms softphone client on the connected computer.

Important: USB phone mode is a Poly-supported feature pending Microsoft certification.

Switching Call Applications on CCX Phones
Poly CCX business media phones can switch to Poly OpenSIP call application when you set its default call application to Microsoft Teams. This allows you to use Poly OpenSIP as a backup for calling in the rare event that Teams calls are unavailable. You can also configure UCS group paging on phones with Teams set as the default call application.

Important: Application switching is only supported on CCX 600 and CCX 700 phones, as well as CCX400 and CCX 500 phones with hardware revision K or later.

  • OpenSIP for Failover Calling
    In the unlikely event that Microsoft Teams calling is unavailable, users can switch to an OpenSIPregistered line using the Poly UCS call application.
  • Group Paging with the Poly Control Panel
    Configure the Poly Control Panel to enablePolygroup paging functionality onPolyCCX business media phones when you set the default call application to Teams.
    See the Poly CCX Business Media Phone Administration Guide for information on configuring group paging.
    Configure group paging in the Poly Control Panel to perform one of the following options when the user selects the Group Page icon:
    ● - Send a page to the default group 1 page group
    ● - Send a page to a single defined page group
    ● - Display the Group Page List, which enables users to a group to page

Basic Authentication for Web Proxy
ConfigurePoly CCX business media phones to support basic authentication while using web proxy servers. Set up a username and password the phone can use to authenticate with your network's web proxy server.

Note: At this time, Poly phones don't support advanced web proxy authentication, such as NTLM.

STIR/SHAKEN Call Validation
This release supports the STIR/SHAKEN standard protocol for caller ID verification. The STIR/SHAKENprotocolenables the phone to validate incoming calls to help prevent fraudulent acts such as calls poofing. Depending on the level of validation, the phone displays different icons in the caller ID screen.
Media Security Negotiation
Starting in UC Software 7.2.0, Poly phones process media security separately from RFC 3329.


Bug fixes

  • Application - CCX phones can't place calls following a change to the BLF users list while paging and PTT features are enabled.
  • Audio - The CCX 700 speaker may produce noise on UCS versions 7.0.0 or late.
  • Audio - Call audio may become distorted when switching between a USB set and other audio output devices. The call audio may also distort if you disconnect and reconnect the USB set during an active call.
  • Calendaring - Reminders for All Day meetings that you schedule to start in the past don't
    display on the local interface.
  • Calendaring -The Calendar pane on the Home screen may display an incorrect status even if you successfully connect to the Exchange server.
  • Configuration -Configuring an EFK to simulate digit entry produces no action.
  • Interoperability -When using the Zoom call application, the phone's screen may go blank and become unresponsive after accessing the System Settings menu.
  • Logs -Occasionally, the phone logs scheduled informational messages at higher than intended log levels. For example, default or minor Error messages log at event and debug levels. This error may interfere with the boot logs.
  • Logs -Fetching device logs through PDMS-SP can produce a corrupted and unreadable file.
  • Network -The phone doesn't list available Wi-Fi networks with the security configuration set as None during a Wi-Fi SSID scan.
  • Peripherals -Some stereo sets only play audio on one side when it receives a mono signal from the phone.
  • Peripherals - If you disconnect a Bluetooth set during an active Zoom Phone call, the near-end audio switches to the speakerphone, but the far-end audio stops. If you reconnect the Bluetooth headset during the active Zoom Phone call, the near-end audio switches to the Bluetooth set, but the far-end audio stops.
  • User Interface -The Calendar softkey doesn't display on the Home screen.
  • User Interface - On CCX 400 phones using 802.1X authentication, the phone incorrectly displays the EAP method as Unknown under Status > Network > 802.1XAuth.
  • User Interface -The Mute softkey on the local interface doesn't display.
  • User Interface -The list found under Settings > Status > Diagnostics > Wi-Fi Stats >General Information (screen 2) doesn't show the connected Wi-Fi access point'sname or connection status.
  • User Interface -When configured to display the signed-in user's avatar in the phone's home
    screen instead of date and time, the avatar doesn't display the user's name or presence.
  • User Interface -On CCX 500 phones, the display becomes distorted if the phone is allowed to go idle while in the Recent Calls list
  • User Interface -Poly CCX 600 and CCX 700 phones can only display up to 24 line keys or speed dials. Users can't access speed dials or line keys beyond the 24thentry.
  • User Interface - On CCX 600 phones signed in on Skype for Business, the search bar may not display when users access their contact list.

Open issues

  • Application - During a screen transition, CCX phones occasionally produce a blank screen with three control icons on the navigation bar. The screen doesn't recover and the phone ignores further touchscreen actions (Workaround: Reboot the phone).
  • Audio - Occasionally, a faint crackle can be heard when adjusting the volume on a USB-C connected CCX phone in USB phone mode
  • Call Management - If a user places a Teams call on hold using their Teams PC client, the connected CCX phone in USB phone mode can't mute the microphone using the mute button (Workaround: Resume the call then mute the microphone with the mute button).
  • Hardware - If, during an active call, a user unplugs their CCX phone (in USB phone mode) from the computer then reconnects it, the caller ID on the far end may change to "USB".
  • Peripherals - The volume controls on the CCX phone may not synchronize with a connected set's volume controls while the set isn't the active audio output device
  • User Interface - If a user attempts to place a call on a CCX 400phone using the speakerphone button, the speakerphone button's LED may not illuminate. This doesn't prevent the user from placing the call (Workaround: Close the dial prompt and press the speakerphone button again to illuminate it).
  • User Interface - When a CCX phone is in USB phone mode and has Bluetooth enabled, the phone incorrectly lists itself as a device called "USB" in the Connected Devices menu.
  • User Interface - While in USB audio mode, the phone may briefly display a "Back to Call" message at the top of the screen if you end a Teams call using the phone's touchscreen.
  • User Interface -The Hold button is unavailable when using a CCX phone in the Skype for Business base profile as a USB audio device on a connected computer (Workaround: Hold a call using the call controls on the computer's softphone client).
Version: 7.2.0.12360 Link
Receive Important Update Messages Stay tuned for upcoming Poly CCX 400 updates
The manufacturer Poly has not yet set up its devicebase profile. Content such as updates, compatibilities and support may only be maintained with a delay.

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