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I am trying to get (2) EXT39 modules to work with a T38 phone and 3cx. I have the first module working and showing BLF extensions, but the second EXT39 module only shows List1/List2 and will not display anything else for any of the other programmed buttons. Also, using the GUI admin page, key 21 appears to be stuck with only "switch" as an option. I have swapped the modules order and the problem always stays with the last module in the chain. I am running firmware 38.70.0.168 on the T38 and the EXT39 modules are 5.16.0.0.

Thanks,
Tim

Hi vondie,

1. Because our EXP39 has 20 hard keys and can support up to 38 softkeys. 2 softkey will need to configured to switch from one page to another page, which are the first softkey and 21st softkey.


2. And the second exp39 will not display something unless you configure settings from key 41 to 80.

Ah, that makes perfect sense. Thanks for the clarification!