Troubleshooting
857
Firmware and Upgrading Issues
Why doesn’t the IP phone upgrade firmware successfully?
Do one of the following:
Ensure that the target firmware is not the same as the current firmware.
Ensure that the target firmware is applicable to the IP phone model.
Ensure that the current or the target firmware is not protected.
Ensure that the power is on and the network is available in the process of upgrading.
Ensure that the web browser is not closed or refreshed when upgrading firmware via web
user interface.
How can I verify the firmware generation and version of the phone?
Press the
OK
/
√
key when the IP phone is idle to check the firmware version. For example:
28.82.0.20.
Item
Description
1
28
Firmware ID.
The firmware ID for each IP phone model is:
70: SIP-T54S/T52S
35: SIP-T48G
28: SIP-T46G
66: SIP-T48S/T46S/T42S/T41S
29: SIP-T42G
36: SIP-T41P
54: SIP-T40P
76: SIP-T40G
46: SIP-T29G
45: SIP-T27P
69: SIP-T27G
Содержание SIP-T19 E2 T4 Series
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Страница 532: ...Administrator s Guide for SIP T2 Series T19 P E2 T4 Series T5 Series IP Phones 510 ...
Страница 734: ...Administrator s Guide for SIP T2 Series T19 P E2 T4 Series T5 Series IP Phones 712 ...
Страница 814: ...Administrator s Guide for SIP T2 Series T19 P E2 T4 Series T5 Series IP Phones 792 ...
Страница 850: ...Administrator s Guide for SIP T2 Series T19 P E2 T4 Series T5 Series IP Phones 828 ...
Страница 887: ...Troubleshooting 865 The phone begins rebooting Any reboot of the phone may take a few minutes ...