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| Transparency_Profile_Note |
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| Transparency_Profile_Note |
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When the
receives a 200-class response to a REGISTER request from the SIP Registrar, it stores the received Service-Route header value but does not include a Service-Route header when sending the response to the SIP endpoint. SIP INVITE requests from the SIP Registrar include a reg-info parameter in the Request-URI. The
checks for the presence of the reg-info parameter when processing INVITE Request-URIs. Support for the reg-info parameter is needed to determine the direction of a call when using hop-by-hop routing.
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