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  1. Registration failed - SIP Trunk

    Hi Leejor, I've already run firewall check, everything works as expected. Despite of registration failure, incoming calls from sip trunks works! I'll let you know when I've checked the address from the provider. Thanks.

  2. Registration failed - SIP Trunk

    Hi, I got this message after I purchase license and upgrade from evolution to pro version: [CM504005]: Registration failed for: Lc:10001(@5191030xxx[<sip:[email protected]:5060>]); Cause: There's no Contact in response from server Any idea?
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