AudioCodes C470HD - 3.5 Version 1.19.456; 3.5.1 What’s New in Version 1.19.456

400HD Series IP Phones for Teams
Version 2.3.410 58 Document #: LTRT-08641
Incident Description
IPPAN-6356
[Device Duo] On rare occasions, the voice quality in the direction of a remote party is
not smooth.
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-8037 The phone encounters sign-in issues when configured with ‘Static IP’ and ‘LLDP’.
IPPAN-8037 The phone does not sign in when it is configured to ‘Static IP’ and ‘LLDP’.
3.5 Version 1.19.456
Note:
• Version 1.19.456 includes Microsoft Teams Version 2023020602.
• See also here for Microsoft’s What’s New in Teams Devices.
3.5.1 What’s New in Version 1.19.456
 Version 1.19.456 is an 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.
Applies to the C435HD, C455HD and C470HD phone models.
Not applicable to the C448HD and C450HD phone models.
 C450HD and C448HD phone models: Preparations have been made for smooth future
switching from Microsoft Teams to the Microsoft SIP Gateway.
 Version 1.19.456 supports Live Teams Cloud deployments. It’s mandatory for devices
managed by Device Manager Live Teams Cloud (OVOC Version 8.2.1000_FIX1) to
use this version.
 The C435HD phone can operate in a Survivable Branch Appliance (SBA)
environment. Branch office survivability is aimed at providing limited calling
functionality when the C435HD phone no longer has connectivity with the Teams
cloud. Basic functionalities are:
•
Making PSTN calls
• Receiving PSTN calls
• Hold & Resume of PSTN calls
If a user attempts to make a Teams call and the internet connection is down, they’ll be
notified that they can try calling a phone number instead.