Thanks for the reply, honestly i just opened the console and followed the add ip phone..Hi,
Did you try to provision it before installing the recommended firmware?
https://www.3cx.com/sip-phones/yealink-t5-series/
yes all done this end now. but i am still blacklistedOk start by reading the above guide, and get your Yealink on the correct firmware.
Once completed, confirm via the LCD that the correct version is installed and get back to me so we can take it from there.
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