{"id":"https://openalex.org/W2101567988","doi":"https://doi.org/10.1109/mc.1979.1658776","title":"The Rolm Computerized Branch Exchange: An Advanced Digital PBX","display_name":"The Rolm Computerized Branch Exchange: An Advanced Digital PBX","publication_year":1979,"publication_date":"1979-06-01","ids":{"openalex":"https://openalex.org/W2101567988","doi":"https://doi.org/10.1109/mc.1979.1658776","mag":"2101567988"},"language":"en","primary_location":{"id":"doi:10.1109/mc.1979.1658776","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mc.1979.1658776","pdf_url":null,"source":{"id":"https://openalex.org/S178916657","display_name":"Computer","issn_l":"0018-9162","issn":["0018-9162","1558-0814"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer","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/A5098197198","display_name":"Kasson","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Kasson","raw_affiliation_strings":["Rolm Corporation, USA","Rolm Corporation"],"affiliations":[{"raw_affiliation_string":"Rolm Corporation, USA","institution_ids":[]},{"raw_affiliation_string":"Rolm Corporation","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5098197198"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.27156965,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"12","issue":"6","first_page":"24","last_page":"31"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12203","display_name":"Mobile Agent-Based Network Management","score":0.7495999932289124,"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/T12203","display_name":"Mobile Agent-Based Network Management","score":0.7495999932289124,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.7441999912261963,"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":0.6759999990463257,"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":0.7667907476425171},{"id":"https://openalex.org/keywords/flexibility","display_name":"Flexibility (engineering)","score":0.6736497282981873},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.5500050783157349},{"id":"https://openalex.org/keywords/telephony","display_name":"Telephony","score":0.44593971967697144},{"id":"https://openalex.org/keywords/time-division-multiplexing","display_name":"Time-division multiplexing","score":0.44310781359672546},{"id":"https://openalex.org/keywords/division","display_name":"Division (mathematics)","score":0.4384627938270569},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.42364245653152466},{"id":"https://openalex.org/keywords/computer-architecture","display_name":"Computer architecture","score":0.3814027011394501},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.35669633746147156},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.3226141333580017}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7667907476425171},{"id":"https://openalex.org/C2780598303","wikidata":"https://www.wikidata.org/wiki/Q65921492","display_name":"Flexibility (engineering)","level":2,"score":0.6736497282981873},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.5500050783157349},{"id":"https://openalex.org/C195358072","wikidata":"https://www.wikidata.org/wiki/Q944584","display_name":"Telephony","level":2,"score":0.44593971967697144},{"id":"https://openalex.org/C50661577","wikidata":"https://www.wikidata.org/wiki/Q901831","display_name":"Time-division multiplexing","level":3,"score":0.44310781359672546},{"id":"https://openalex.org/C60798267","wikidata":"https://www.wikidata.org/wiki/Q1226939","display_name":"Division (mathematics)","level":2,"score":0.4384627938270569},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.42364245653152466},{"id":"https://openalex.org/C118524514","wikidata":"https://www.wikidata.org/wiki/Q173212","display_name":"Computer architecture","level":1,"score":0.3814027011394501},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.35669633746147156},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.3226141333580017},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/mc.1979.1658776","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mc.1979.1658776","pdf_url":null,"source":{"id":"https://openalex.org/S178916657","display_name":"Computer","issn_l":"0018-9162","issn":["0018-9162","1558-0814"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","score":0.46000000834465027,"display_name":"Industry, innovation and infrastructure"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W431360389","https://openalex.org/W1998182654","https://openalex.org/W181065026","https://openalex.org/W2187051616","https://openalex.org/W2111804337","https://openalex.org/W4226230195","https://openalex.org/W1989617274","https://openalex.org/W1994274441","https://openalex.org/W2003701703","https://openalex.org/W2111698590"],"abstract_inverted_index":{"The":[0],"private":[1],"branch":[2],"exchange,":[3],"employing":[4],"pulse-code":[5],"modulation":[6],"and":[7,20],"computer-controlled":[8],"time-division":[9],"multiplexing,":[10],"is":[11],"an":[12],"increasingly":[13],"popular":[14],"tool":[15],"for":[16],"enhancing":[17],"the":[18,22],"flexibility":[19],"reducing":[21],"cost":[23],"of":[24],"business":[25],"telephone":[26],"operations.":[27]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}