interconnection of mpbx Yeastar

I come to ask you for help for the
interconnection of mpbx Yeastar
U100 and a CME 3945 CME. The users
of the two systems are able to call each
other but CME users can not call the PSTN
numbers Through the Yeastar U100 mpx despite
the creation of the voip dialpeer. The CME is
recently installed and must use the Yeastar mpbx
as gateway to the anological lines.
Your helpers will be very useful to me. Thank you
in advance !


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