AudioCodes C470HD - 3.5.2.2 Device; 3.5.3 Known Limitations in Version 1.19.456; 3.5.3.1 Teams Application

Release Notes 3. Previous Releases
Version 2.3.410 61 400HD Series IP Phones for Teams
Incident Description
IPPAN-7274
On rare occasions, when updating the device with the U4 app, it results in very low
volume.
IPPAN-7558
When creating an ad hoc meeting (by calling user A and then adding more users to
the call) and using the ‘Mute all’ functionality, the ‘Mic’ softkey shows the incorrect
state (the opposite of what it should be). The ‘mute’ hard key shows the correct
state.
IPPAN-7475 [C435HD] The dial pad does not open when the user presses the ‘speaker’ key or
picks up the handset. It does open when the user starts to dial.
IPPAN-7431 When disconnecting an emergency call (933 or 911) by using the ‘End Call’
softkey, the speaker LED remains illuminated and the user needs to press the
speaker key once to bring the device to idle.
3.5.2.2 Device
Here are the device limitations that have been resolved in Version 1.19.456.
Table 3-18: Resolved Device Limitations in Version 1.19.456
Incident Description
IPPAN-8807
[C455HD] The Proxy configuration is missing or incorrect when Link Layer Discovery
Protocol (LLDP) is disabled.
IPPAN-8834
[Microsoft Government Community Cloud High (GCCH)] Firmware Update is
successful on the device but sometimes in Microsoft TAC it is reported as
unsuccessful.
IPPAN-8797 [C455HD + Expansion Module (sidecar)] The phone reboots due to a certain
configuration that is pulled via the Company Portal application (to shut down the
phone screen when the screensaver is enabled).
IPPAN-8777 [SCEP] When Simple Certificate Enrollment Protocol (SCEP) parameters are
unchanged and the phone is rebooted, the phone again receives a new device.crt
(certificate) from Microsoft’s Network Device Enrollment Service (NDES) server. The
phone shouldn’t get the certificate again (after reboot) if SCEP parameters are not
changed.
IPPAN-8094 [SCEP] The C455HD phone is not contacting the SCEP server to retrieve the
certificate.
IPPAN-8959 [SCEP] The phone is not getting a CA certificate from the NDES server. The issue
will be fixed in the next version release.
3.5.3 Known Limitations in Version 1.19.456
3.5.3.1 Teams Application
Here are the known Teams application limitations in Version 1.19.456.
Table 3-19: Known Teams Application Limitations in Version 1.19.456
Incident Description
IPPAN-2270,
IPPAN-4548
[RXV80, C450HD] The device sometimes displays ‘Poor internet connection’ in the
main screen for a few seconds and then disappears.