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fedor.solovev
Beginner

IP Phone 8821 common issues

Hello, dear support community.
 
We are facing some problems with 8821 from time to time: it
- periodically loses connectivity with its wifi AP being within the range
- might freeze while transferring a call
- constantly requires IP from DHCP server (each 4 seconds)
- standby battery life is way more shorter than it climes in the datasheet
 
At phone configuration:
Bluetooth is disabled
Scan Mode = Auto
 
CUCM 10.5
sip8821.11-0-3SR6-15
WLC 2504 Software Version 8.0.140.0
 AIR-LAP1042N-R-K9
18 REPLIES 18
Leo Laohoo
VIP Community Legend

Create a new thread and we'll have a look at this behaviour.

Loizosko,

 

Look in CUCM at the 8821 device that is powering off when charging: (product specific configuration layout) Power Off in Multicharger* you can enable or disable.

There is a setting under the device in Call manager "Power Off in Multicharger" check that has not been 

Its unchecked
I verified that

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