incoming sip calls

  1. Incoming calls from sip trunks

    Hi, I have configured a generic SIP trunk between Cisco Call manager Express and 3CX. The setup is composed of a SIP trunk having 4000 as main number. On both sides (CME and 3CX) I have extensions with the numbers 4XX. I am facing a problem on the 3CX side where I am unable to receive calls from...
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