{"id":"https://openalex.org/W1657926138","doi":"https://doi.org/10.17487/rfc3515","title":"The Session Initiation Protocol (SIP) Refer Method","display_name":"The Session Initiation Protocol (SIP) Refer Method","publication_year":2003,"publication_date":"2003-04-01","ids":{"openalex":"https://openalex.org/W1657926138","doi":"https://doi.org/10.17487/rfc3515","mag":"1657926138"},"language":"en","primary_location":{"id":"doi:10.17487/rfc3515","is_oa":true,"landing_page_url":"https://doi.org/10.17487/rfc3515","pdf_url":"https://www.rfc-editor.org/rfc/pdfrfc/rfc3515.txt.pdf","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"report"},"type":"report","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.rfc-editor.org/rfc/pdfrfc/rfc3515.txt.pdf","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5067480732","display_name":"Robert Sparks","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"R. Sparks","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5067480732"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":198,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10679","display_name":"Service-Oriented Architecture and Web Services","score":0.8378999829292297,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10679","display_name":"Service-Oriented Architecture and Web Services","score":0.8378999829292297,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12490","display_name":"Software Engineering and Design Patterns","score":0.803600013256073,"subfield":{"id":"https://openalex.org/subfields/3303","display_name":"Development"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12203","display_name":"Mobile Agent-Based Network Management","score":0.7537000179290771,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/session-initiation-protocol","display_name":"Session Initiation Protocol","score":0.8212134838104248},{"id":"https://openalex.org/keywords/session","display_name":"Session (web analytics)","score":0.7117739915847778},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6338362097740173},{"id":"https://openalex.org/keywords/protocol","display_name":"Protocol (science)","score":0.5162139534950256},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3659800887107849},{"id":"https://openalex.org/keywords/computational-biology","display_name":"Computational biology","score":0.3244761824607849},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.24463766813278198},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.18221256136894226},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.13879600167274475}],"concepts":[{"id":"https://openalex.org/C41878487","wikidata":"https://www.wikidata.org/wiki/Q191018","display_name":"Session Initiation Protocol","level":3,"score":0.8212134838104248},{"id":"https://openalex.org/C2779182362","wikidata":"https://www.wikidata.org/wiki/Q17126187","display_name":"Session (web analytics)","level":2,"score":0.7117739915847778},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6338362097740173},{"id":"https://openalex.org/C2780385302","wikidata":"https://www.wikidata.org/wiki/Q367158","display_name":"Protocol (science)","level":3,"score":0.5162139534950256},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3659800887107849},{"id":"https://openalex.org/C70721500","wikidata":"https://www.wikidata.org/wiki/Q177005","display_name":"Computational biology","level":1,"score":0.3244761824607849},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.24463766813278198},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.18221256136894226},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.13879600167274475},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.0},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.17487/rfc3515","is_oa":true,"landing_page_url":"https://doi.org/10.17487/rfc3515","pdf_url":"https://www.rfc-editor.org/rfc/pdfrfc/rfc3515.txt.pdf","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"report"}],"best_oa_location":{"id":"doi:10.17487/rfc3515","is_oa":true,"landing_page_url":"https://doi.org/10.17487/rfc3515","pdf_url":"https://www.rfc-editor.org/rfc/pdfrfc/rfc3515.txt.pdf","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"report"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1657926138.pdf","grobid_xml":"https://content.openalex.org/works/W1657926138.grobid-xml"},"referenced_works_count":5,"referenced_works":["https://openalex.org/W1936255101","https://openalex.org/W2154493455","https://openalex.org/W4242138061","https://openalex.org/W6640281639","https://openalex.org/W6674817225"],"related_works":["https://openalex.org/W4296749040","https://openalex.org/W3138244192","https://openalex.org/W4230197055","https://openalex.org/W621808327","https://openalex.org/W644007644","https://openalex.org/W3012257603","https://openalex.org/W3177475962","https://openalex.org/W4292264782","https://openalex.org/W4239368213","https://openalex.org/W3016450995"],"abstract_inverted_index":{"This":[0,6,44],"document":[1],"defines":[2],"the":[3,14,22,29,32,38,41],"REFER":[4,16,33],"method.":[5],"Session":[7],"Initiation":[8],"Protocol":[9],"(SIP)":[10],"extension":[11],"requests":[12],"that":[13],"recipient":[15],"to":[17,34,48],"a":[18,26],"resource":[19],"provided":[20],"in":[21],"request.":[23,43],"It":[24],"provides":[25],"mechanism":[27],"allowing":[28],"party":[30],"sending":[31],"be":[35,46],"notified":[36],"of":[37,40],"outcome":[39],"referenced":[42],"can":[45],"used":[47],"enable":[49],"many":[50],"applications,":[51],"including":[52],"call":[53],"transfer.":[54]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":6},{"year":2014,"cited_by_count":9},{"year":2013,"cited_by_count":7},{"year":2012,"cited_by_count":13}],"updated_date":"2026-07-14T08:27:34.040176","created_date":"2025-10-10T00:00:00"}