Htek uc842 User Manual page 12

Getting Started
And then show "Initializing "during the initialization.
The IP Phone will upgrade the firmware if there is a new firmware on your server. And the IP
Phone will show "Check firmware, please waitg..." after initialization.
Then IP Phone will show Reboot information:
By default the phone attempts to contact a DHCP server in your network in order to obtain its
valid network settings, e.g. IP address, subnet mask, default gateway, DNS server.
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