rfc9796v2.txt | rfc9796.txt | |||
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skipping to change at line 256 ¶ | skipping to change at line 256 ¶ | |||
The RCD framework defined both in this document as well as in | The RCD framework defined both in this document as well as in | |||
[RFC9795] carries call-specific information. The insertion of RCD is | [RFC9795] carries call-specific information. The insertion of RCD is | |||
intended to be singular in that the receiving party should not be | intended to be singular in that the receiving party should not be | |||
required to make any call-specific decisions based on redundant, | required to make any call-specific decisions based on redundant, | |||
duplicate, or conflicting RCD. The RCD information is either | duplicate, or conflicting RCD. The RCD information is either | |||
intended to be added by a party that is authoritative over that | intended to be added by a party that is authoritative over that | |||
information or to have been translated from a verified STIR RCD | information or to have been translated from a verified STIR RCD | |||
PASSporT and unmodified once in a trusted domain. Any additional | PASSporT and unmodified once in a trusted domain. Any additional | |||
parties involved in the call path MUST NOT modify the Call-Info | parties involved in the call path MUST NOT modify the Call-Info | |||
header field or add additional Call-Info header fields related to | header field or add additional Call-Info header fields related to | |||
RCD. The insertion of the RCD Call-Info header field should be | RCD. The trusted and verified caller RCD information inserted in the | |||
considered a trusted action based on trusted information, and the | RCD Call-Info header field MUST NOT be modified or altered. The user | |||
information MUST NOT be considered modifiable representing the best | should be able to trust that the RCD information accurately | |||
practice of determining the final representation of the caller RCD to | represents the verified information. This specification acknowledges | |||
the user. This specification acknowledges that without the use of | that without the use of STIR or other mechanisms, detection of any | |||
STIR or other mechanisms, detection of any modifications is not | modifications is not possible, so guidance for the use of this | |||
possible, so guidance for the use of this specification in a trusted | specification in a trusted UNI part of the network is important. | |||
UNI part of the network is important. | ||||
As discussed in [RFC9795], the calling name uses the display-name | As discussed in [RFC9795], the calling name uses the display-name | |||
value of the From header field [RFC3261] of the request. | value of the From header field [RFC3261] of the request. | |||
Alternatively, for some calls, the calling name may come from the P- | Alternatively, for some calls, the calling name may come from the P- | |||
Asserted-ID header field [RFC3325]. While this is out of scope for | Asserted-ID header field [RFC3325]. While this is out of scope for | |||
the Call-Info header field in terms of the representation of the | the Call-Info header field in terms of the representation of the | |||
display-name value, this document does discuss the representation of | display-name value, this document does discuss the representation of | |||
the verification of this value using the 'verified' parameter. | the verification of this value using the 'verified' parameter. | |||
For logos or icons that can represent the calling party, the | For logos or icons that can represent the calling party, the | |||
End of changes. 1 change blocks. | ||||
8 lines changed or deleted | 7 lines changed or added | |||
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