A recently purchased Polycom Trio 8500 is acting weird.
Firmware version: 220.127.116.1105
MAC address: 64:16:7F:1D:8D:5C
The symptom: The phone is set up in our Voice VLAN, where every other Polycom devices are (CX600, CX3000) and the device only once could communicate with the DCHP server, acquiring IP address and provision the phone in our system (I configured it beforehand), but since a restart it says DHCP Failed and there is no network connectivity even when I set up manually the IP address and other server options. I tried to factory reset the phone and re-configure everything but since that particular restart, it does not want to work at all. Tried on the same network port I used to configure the device, tried another port, but no luck.
Is there anything I'm missing?
Looking forward to your help,
*** UPDATE: I have rebooted the phone several times. The phone boots, acquires the correct IP address/time. Then it says "invalid provisioning". The phone restarts one more time with the same symptom, then at the 3 rd restart it says Time/date out of sync and DHCP failed.
Solved! Go to Solution.
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UC Software 4.0.0 or later via the Web Interface Utilities > Phone Backup & Restore > Phone Backup > Phone Backup
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As our Phones have far more sophisticated abilities to detect VLAN's, DHCP Options and many more features a log would be of interest.
Settings > Logging > Global Settings > Global Log Level Limit > Debug
Settings > Logging > Global Settings > Global Log Level Limit > Log File Size (Kbytes) > 10240
Settings > Logging > Module Log Level Limits > DHCP Client > Event 1
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