I am using Raspberry pi as sip server by installing freepbx.
And using bOS phone as Sip client,
I want to integrate my 2n helios IP intercom.
For that I have created separate extension number for intercom in sip server,and i tried calling that from my bos app,it happened.
but when my trying to call from intercom,but through intercom i cant make any call
Please guide me
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