Release Notes 3. Previous Releases
Version 2.3.410 49 400HD Series IP Phones for Teams
Incident Description
IPPAN-7402 [USB headset] If the phone is booted while a USB headset is connected, the
handset cannot be used. Workaround: Boot up the phone and only then plug in the
USB headset.
IPPAN-7723 [C470HD] [Device Duo USB] The volume increases and decreases during playback.
IPPAN-8981
[Phone lock] After releasing the phone lock, if the user regrets the action and uses
the ‘back’ key, the keyboard is not displayed the next time the user tries to unlock.
The issue will be fixed in the next release.
IPPAN-8960 [SCEP] The phone obtains device.crt whose signature algorithm is sha256 from the
NDES server and cannot successfully authenticate 802.1x TLS. The issue will be
fixed in the next version release.
IPPAN-11139 [C435HD] The RJ9 analog headset is malfunctioning after the phone is rebooted.
The issue will be fixed in the next version release.
3.4 Version 1.19.516
Note:
• Version 1.19.516 includes Microsoft Teams Version 2023060906 (a.k.a. U2C).
• See also here for Microsoft’s What’s New in Teams Devices.
3.4.1 What’s New in Version 1.19.516
Version 1.19.516 is a new intermediate version before the upcoming Android OS12
release. Phones must be updated to this version before they can proceed to the
pending release of Android OS12.
Important: Customers will be able to upgrade phones from OS9 to OS12 from the
previous version release (1.19.456) as well. However, using this version (1.19.516),
the phone will not be restored to its default settings as a result of this upgrade.
Applies to the C435HD, C455HD and C470HD phone models.
Not applicable to the C448HD and C450HD phone models.
Admins can disable the device’s USB port.
Applies to AudioCodes’ Teams phones C435HD, C448HD, C450HD, C455HD and
C470HD.
This newly added functionality complies with the physical security requirements of
some customers, specifically, customers who are in the government space.
Customer admins can disable a phone’s USB port with the following new parameter
available in the phone’s .cfg configuration file:
admin/usb_enabled=1
admin/usb_enabled=0
The parameter can be configured via the AudioCodes One Voice Operations Center
(OVOC) Device Manager module used to manage AudioCodes’ Teams phones, as
well as via SSH command.
The parameter is also available in the template which can be applied to multiple
phones via the Device Manager.
After setting the parameter to 0, the phone cannot under any circumstances detect a
plugged-in USB device. Additionally, all USB-related settings are removed from the
phone’s user interface.
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