3.7 ms-accepted-content-id Details

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This section describes the ms-accepted-content-id SIP header.<9>

UAC Behavior

A UAC MUST include a Content-ID MIME header with each Multipurpose Internet Mail Extensions (MIME) type of "application/SDP" and "application/gw-sdp" that it sends in an offer. The SDP content is specified in [MS-SDPEXT] section 3.

UAS Behavior

A UAS MUST include an ms-accepted-content-id SIP header in a SIP message containing an SDP answer if the selected SDP from the offer with which the answer is associated contained a Content-ID MIME header. The value of the Content-ID MIME header from the selected SDP in the offer MUST be copied as the value for the ms-accepted-content-id header.

Proxy Behavior

This parameter does not affect a SIP proxy.