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Added the ability to block calls based on the Industry Traceback Group’s Do Not Originate (DNO) Registry
To block calls where the ANI (From number) in the Incoming SIP Invite matches a number in the ITG’s DNO Registry, add a routing rule where call comes From is set to ANI List and then select 46labs DNO from the available drop-down list. The perform Action will be Block, the cause code and cause reason can be set to any appropriate values. 46 Labs currently recommends using 603 has the cause code and DNO Block as the reason.
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