400HD Series IP Phones for Teams
Version 2.3.410 64 Document #: LTRT-08641
Incident Description
IPPAN-5810
[C455HD with Expansion Module] Occasionally, the sidecar displays very large fonts
and a yellow screen for a very short period and then it automatically corrects itself.
Using the device with Microsoft U1-A app (2022020602) which is part of 1.19.456
IPPAN-7325 On rare occasions, when ending a call, the phone does not go back to idle (showing
an incoming call). This may occur in some ‘Call and regret’ or ‘Call reject’ scenarios.
IPPAN-7324 After Phone A transfers Phone B to another party, when the transfer is established,
Phone B displays the idle screen with ‘Touch to return to the call’ in the upper tab.
The user must touch the tab to go back to the existing call.
IPPAN-7485 [911 Emergency Location] The application does not show the location information
displayed on the phone screen. This additional option does not exist for production
users but only for TAP and testing users. Location can be obtained by dialing 933
and listening to the incoming audio. This is a roadmap feature for a future Teams
app.
IPPAN-7567
When switching back to a held call (i.e., when the remote party puts a local phone on
hold and the local phone meanwhile answers another call and then resumes), the
‘Call on hold’ notification is missing.
3.5.3.2 Device
Here are the known device limitations in Version 1.19.456.
Table 3-20: Known Device Limitations in Version 1.19.456
Incident Description
-
[Device Manager] Network administrators are recommended not to provision phones
from both the Device Manager and the Microsoft admin portal, though they can
monitor from both Device Manager and Microsoft admin portal at the same time.
- It’s recommended to avoid connecting PoE and power simultaneously even though
no damage occurs. If a Power Supply is used, users should disable power from the
ETH port. In some cases, an endless auto-negotiation with the Ethernet switch may
occur if the phone is connected to the Power Supply and to PoE simultaneously.
IPPAN-2542
[C470HD, C455HD] Sometimes, touching one of the keys results in the speaker
emitting a little noise. This usually happens immediately after phone restart.
IPPAN-3283
When using multiple users on a single phone (i.e., if user A signs out and then signs
in with user B), AudioCodes’ Device Manager may present the wrong username.
IPPAN-2561 [C450HD] On some occasions, reconnecting a USB headset during a call causes
the call to be disconnected.
IPPAN-4910 [Device Duo] When a call comes in, there’s a mix of local & remote ringer.
- [Device Duo] During a Teams Desktop call, if the phone receives an incoming call
which is answered by hard key on the phone thus creating an active Native Teams
call, the first call (the Teams Desktop call) will be placed on hold (internal call) and
can be resumed only after the Native Teams call ends.
- [Device Duo] When music is played from the PC app via the paired phone, if you
perform a pause on the app, the window of the music player on the phone screen
closes and cannot be resumed from the phone (but can be from the PC app).
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