4452d530_able___FreeSWITCH___Confluence__Description
[ITU-T Q.850 Code] 23 [SIP Equiv.] 410 [Enumeration] REDIRECTION_TO_NEW_DESTINATION [Description] 
This cause is used by a general ISUP protocol mechanism that can be invoked by an exchange that decides that the call should be set-up to a different called number. Such an exchange can invoke a redirection mechanism, by use of this cause value, to request a preceding exchange involved in the call to route the call to the new number.
Hangup Cause Code Table - FreeSWITCH - Confluence
Description