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Step 2.Creat extension 1000 in Freeswtich
Copy 1008.xml file to Edit 1000.xml in /etc/freeswitch/directory/default/ .
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Inbound rules realize all incoming calls transfer to SIP extension 1000.
Edit the outband inbound dialplan in /etc/freeswitch/dialplan/public/00_inbound_did.xml.
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