Re: [Freeswitch-users] Outbound INVITE rejected with 480 Temp Unavail, Reason "MANDATORY_IE_MISSING"

there is a profile param to enable 3pcc. It should be documented in the default configs. Mike On Sep 29, 2009, at 5:22 PM, Jerry Richards wrote:

Hello All,

I have an internal extension that needs to send an INVITE without SDP body (Content Length 0). Freeswitch is replying with 480 Temporarily Unavailable with reason "MANDATORY_IE_MISSING". Would anyone know what I need to do to enable this?