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Omnisound 4135 not dialing

Posted: 26 Mar 2018 17:52
by Xamuko
Hi guys..

I'm trying to set up a new 4135 for a conference room. However, everytime i try to make a call...it says forbidden. It only dials or connects to the internal numbers.

I Think i'm missing something but not sure where can i look first.
Do you guys have any guide or have a working 4135 ? can you share your thought regarding this scenario?.

Thanks in advance.