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The following steps enables the Freeswitch record_waste_resources capability in sipXcom and allows external callers to leave voicemails longer than 60 seconds from some ITSPs without making special arrangements.
Step 1 -
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Edit the /etc/sipxpbx/
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freeswitch/
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default_context.xml.
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vm file
Step 2 - Locate the following Section
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