source identification

  1. Direct SIP Call getting error "[CM500002]: Unidentified incoming call. Review INVITE and adjust source identification"

    I am having an issue with Direct SIP calls. We use another phone system besides 3CX at another location and I am trying to give the ability for users on the other phone system to transfer a call to an extension on our 3CX system directly via a Direct SIP call. Under network settings > FQDN, I...
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