{"id":"S2004005129","label":"Internet telephony--Signaling","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2004005129","normalized_label":"internet telephony--signaling","broader":["http://id.loc.gov/authorities/subjects/sh85122401"],"aliases":["Signaling, Internet telephony"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2004005129","provider":"lcsh","revision":"d25316388cbb73af","taxonomy_revision":"f050b5d4780b1289","title":"Internet telephony--Signaling","url":"/topics/S2004005129","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4936024641614521858","address_version":"morton4x16-v1","coordinates":[0,477,51908,9216],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}