{"id":"https://openalex.org/W2156618437","doi":"https://doi.org/10.1109/mcom.1983.1091385","title":"Digital private branch exchanges","display_name":"Digital private branch exchanges","publication_year":1983,"publication_date":"1983-05-01","ids":{"openalex":"https://openalex.org/W2156618437","doi":"https://doi.org/10.1109/mcom.1983.1091385","mag":"2156618437"},"language":"en","primary_location":{"id":"doi:10.1109/mcom.1983.1091385","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mcom.1983.1091385","pdf_url":null,"source":{"id":"https://openalex.org/S158797327","display_name":"IEEE Communications Magazine","issn_l":"0163-6804","issn":["0163-6804","1558-1896"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Communications Magazine","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5011568909","display_name":"Sandra Junker","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"S. Junker","raw_affiliation_strings":["Transswitch Associates"],"affiliations":[{"raw_affiliation_string":"Transswitch Associates","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060415892","display_name":"W. Noller","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"W. Noller","raw_affiliation_strings":["Transswitch Associates"],"affiliations":[{"raw_affiliation_string":"Transswitch Associates","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5011568909"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.1859,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.83369288,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":93},"biblio":{"volume":"21","issue":"3","first_page":"11","last_page":"17"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11158","display_name":"Wireless Networks and Protocols","score":0.9968000054359436,"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"}},"topics":[{"id":"https://openalex.org/T11158","display_name":"Wireless Networks and Protocols","score":0.9968000054359436,"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"}},{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9675999879837036,"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"}},{"id":"https://openalex.org/T11499","display_name":"ICT Impact and Policies","score":0.9663000106811523,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8055206537246704},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4198695421218872},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.38955947756767273},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.34857630729675293}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8055206537246704},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4198695421218872},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.38955947756767273},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.34857630729675293}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/mcom.1983.1091385","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mcom.1983.1091385","pdf_url":null,"source":{"id":"https://openalex.org/S158797327","display_name":"IEEE Communications Magazine","issn_l":"0163-6804","issn":["0163-6804","1558-1896"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Communications Magazine","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/17","score":0.41999998688697815,"display_name":"Partnerships for the goals"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1967664152","https://openalex.org/W1977881415","https://openalex.org/W1980409667","https://openalex.org/W1992063087","https://openalex.org/W2064246853","https://openalex.org/W2098936795","https://openalex.org/W2127344016","https://openalex.org/W2132529611","https://openalex.org/W4253201942"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278","https://openalex.org/W2350741829","https://openalex.org/W2530322880","https://openalex.org/W1596801655","https://openalex.org/W2359140296"],"abstract_inverted_index":null,"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
