B.1 Originating filter criteria for OIR service

24.4073GPPOriginating Identification Presentation (OIP) and Originating Identification Restriction (OIR)Protocol specificationPSTN/ISDN simulation servicesRelease 8TISPANTS

All outgoing SIP requests are forwarded to an Application Server providing the OIR service under the following conditions:

  • the user is subscribed to the OIR service in permanent mode; or
  • the request does not include a Privacy header field.