3.2.5.1.1 Sending a wsignin1.0 Request

When using the Query String Response Transfer Protocol, the relying party sends a wsignin1.0 request to the IP/STS as specified in [MS-MWBF] section 3.3.5.1 and MUST add the ttpindex parameter. When included, the value of the ttpindex parameter MUST be the length in characters of the aggregated result.

Note If the aggregated result is not available, it is considered to have length 0 (see section 3.2.1.1.1). Therefore, in the first request, the value of ttpindex MUST be 0.<19>