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  1. Yealink T23G - How to configure a desk phone on PABX?

    Hi, thanks for your reply, yes SBC has been added.
  2. Yealink T23G - How to configure a desk phone on PABX?

    I'm looking at a new cloud based PABX but want to try out 3CX as the on-site server did not work at all for me. I've now created one extension and the following link https://www.3cx.com/sip-phones/yealink-t20p-t22p-t26p-t28p/#h.eu8l0fu5cgny Does not tell you where you get the details for...
  3. Firewall test failing...

    Gues I'm going back to FreePbx....
  4. Firewall test failing...

    HI, Thank you so much for your reply :-) When I try to put in a range 9000-10999, it wont let me put in more than 5 digits. Please see below if i understood you correctly.
  5. Firewall test failing...

    Hi, Please can you assist, not sure what I'm doing wrong on my Tenda AC200