[{"name":"S1-193151","title":"Reply LS on 5G-SRVCC from NG-RAN to UTRAN for emergency calls","source":"Nokia, Nokia Shanghai Bell","contact":"Betsy Covell","contact-id":82463,"tdoctype":"LS out","for":"","abstract":"","secretary_remarks":"","agenda_item_sort_order":47,"ainumber":"4.2","ainame":"LS on 5G-SRVCC","tdoc_agenda_sort_order":315100,"status":"revised","reservation_date":"2019-11-08 17:41:14","uploaded":"2019-11-08 17:43:06","revisionof":"","revisedto":"S1-193504","release":"","crspec":"","crspecversion":"","workitem":"","crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"SA2","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG1_Serv\/TSGS1_88_Reno\/Docs\/S1-193151.zip","group":"S1","meeting":"S1-88","year":2019,"uicc_affected":null,"me_affected":null,"ran_affected":null,"cn_affected":null,"clauses_affected":null,"crsinpack":null,"crsinpacknumber":0},
{"name":"S1-193214","title":"LS on 5G-SRVCC from NG-RAN to UTRAN for emergency calls","source":"S2-1910682","contact":"Alain Sultan","contact-id":10343,"tdoctype":"LS in","for":"Discussion","abstract":"","secretary_remarks":"","agenda_item_sort_order":47,"ainumber":"4.2","ainame":"LS on 5G-SRVCC","tdoc_agenda_sort_order":3214000,"status":"postponed","reservation_date":"2019-11-26 11:04:30","uploaded":"2019-11-26 11:07:54","revisionof":"","revisedto":"","release":"","crspec":"","crspecversion":"","workitem":"","crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG1_Serv\/TSGS1_88_Reno\/Docs\/S1-193214.zip","group":"S1","meeting":"S1-88","year":2019,"uicc_affected":null,"me_affected":null,"ran_affected":null,"cn_affected":null,"clauses_affected":null,"crsinpack":null,"crsinpacknumber":0},
{"name":"S1-193504","title":"LS to SA2 on 5G-SRVCC from NG-RAN to UTRAN for emergency calls","source":"Nokia, Nokia Shanghai Bell","contact":"Alain Sultan","contact-id":10343,"tdoctype":"LS out","for":"","abstract":"TS 22.261 includes the following requirement regarding 5G-SRVCC from NG-RAN to UTRAN:\nVoice service continuity from NG-RAN to UTRAN CS should be supported (see Note),\nNOTE:      Architectural or protocol changes needed to support voice service continuity from NG-RAN to UTRAN CS are expected to have minimum impact on architecture, specifications, or the development of the 5G New Core and New Radio.\n\nTherefore, the requirement is clear that SA2 should consider whether support for voice service continuity from NG-RAN to UTRAN CS can be supported with minimal impact to the 5G systems (core and RAN).  \n\nIf it is possible to provide such support, then SA2 can consider including service continuity for emergency calls. If needed to ensure minimal impact to 5G systems, SA2 may consider supporting reduced functionality for emergency voice service continuity from NG-RAN to UTRAN CS.","secretary_remarks":"","agenda_item_sort_order":47,"ainumber":"4.2","ainame":"LS on 5G-SRVCC","tdoc_agenda_sort_order":315110,"status":"revised","reservation_date":"2019-11-26 11:07:11","uploaded":"2019-11-26 11:07:55","revisionof":"S1-193151","revisedto":"S1-193522","release":"","crspec":"","crspecversion":"","workitem":"","crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"SA2","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG1_Serv\/TSGS1_88_Reno\/Docs\/S1-193504.zip","group":"S1","meeting":"S1-88","year":2019,"uicc_affected":null,"me_affected":null,"ran_affected":null,"cn_affected":null,"clauses_affected":null,"crsinpack":null,"crsinpacknumber":0},
{"name":"S1-193522","title":"LS to SA2 on 5G-SRVCC from NG-RAN to UTRAN for emergency calls","source":"Nokia, Nokia Shanghai Bell","contact":"Alain Sultan","contact-id":10343,"tdoctype":"LS out","for":"","abstract":"It states that the requirement is clear that SA2 should consider whether voice service continuity from NG-RAN to UTRAN CS, including emergency voice calls, can be supported with minimal impact to the 5G systems (core and RAN).","secretary_remarks":"","agenda_item_sort_order":47,"ainumber":"4.2","ainame":"LS on 5G-SRVCC","tdoc_agenda_sort_order":315120,"status":"revised","reservation_date":"2019-11-26 11:07:20","uploaded":"2019-11-26 11:07:56","revisionof":"S1-193504","revisedto":"S1-193593","release":"","crspec":"","crspecversion":"","workitem":"","crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"SA2","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG1_Serv\/TSGS1_88_Reno\/Docs\/S1-193522.zip","group":"S1","meeting":"S1-88","year":2019,"uicc_affected":null,"me_affected":null,"ran_affected":null,"cn_affected":null,"clauses_affected":null,"crsinpack":null,"crsinpacknumber":0},
{"name":"S1-193593","title":"LS to SA2 on 5G-SRVCC from NG-RAN to UTRAN for emergency calls","source":"Nokia, Nokia Shanghai Bell","contact":"Alain Sultan","contact-id":10343,"tdoctype":"LS out","for":"","abstract":"","secretary_remarks":"","agenda_item_sort_order":47,"ainumber":"4.2","ainame":"LS on 5G-SRVCC","tdoc_agenda_sort_order":315121,"status":"agreed","reservation_date":"2019-11-26 11:08:21","uploaded":"2019-11-26 11:17:54","revisionof":"S1-193522","revisedto":"","release":"","crspec":"","crspecversion":"","workitem":"","crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"SA2","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG1_Serv\/TSGS1_88_Reno\/Docs\/S1-193593.zip","group":"S1","meeting":"S1-88","year":2019,"uicc_affected":null,"me_affected":null,"ran_affected":null,"cn_affected":null,"clauses_affected":null,"crsinpack":null,"crsinpacknumber":0}]