【正文】 請求(SLIR)! MLP_SLIR !ENTITY% !ELEMENTslir((msids | (msid, codeword?, net_param, trans_id?)+), eqop?, geo_info?, loc_type?, prio?, pushaddr?, service_coverage? , req_result? %。)!ATTLISTslir ver CDATAFIXED “”res_type (SYNC | ASYNC)SYNC例 1： 請求多用戶位置slir ver=“” res_type=SYNC msids msid type=IPV4/msid msid_range start_msid msid461018765710/msid /start_msid stop_msid msid461018765712/msid /stop_msid /msid_range msid type=ASID441728922342/msid msid_range start_msid msid461018765720/msid /start_msid stop_msid msid461018765728/msid /stop_msid /msid_range /msids eqop resp_req type=LOW_DELAY / hor_acc1000/hor_acc /eqop geo_info CoordinateReferenceSystem Identifier code4004/code codeSpaceEPSG/codeSpace edition/edition /Identifier /CoordinateReferenceSystem /geo_info loc_type type=CURRENT_OR_LAST / prio type=NORMAL //slir例2：請求用戶AREA_CODEslir ver=“” res_type=SYNC msid461018765712/msid loc_type type=CURRENT_OR_LAST / prio type=NORMAL / req_result type=AREA_CODE //slir 立即定位應答(SLIA)! MLP_SLIA !ENTITY% !ELEMENTslia((pos+ | req_id | (result, add_info?)) %。)!ATTLISTslia ver CDATAFIXED 例 1: 多個被定位用戶的成功應答slia ver= pos msid461011334411/msid pd time utc_off=+020020020623134453/time shape CircularArea srsName=4326 coord X30 16 /X Y45 15 /Y /coord radius240/radius /CircularArea /shape /pd account_ref A100200701010000100001/account_ref /pos pos msid461018765710/msid pd time utc_off=+030020020623134454/time shape CircularArea srsName=4326 coord X30 12 /X Y86 56 /Y /coord radius570/radius /CircularArea /shape /pd account_ref A100200701010000100002/account_ref /pos pos msid461018765711/msid pd time utc_off=+030020020623110205/time shape CircularArea srsName=4326 coord X78 12 /X Y76 22 /Y /coord radius15/radius /CircularArea /shape /pd account_ref A100200701010000100003/account_ref /pos pos msid461018765712/msid poserr result resid=10QOP NOT ATTAINABLE/result time20020623134454/time /poserr account_ref A100200701010000100004/account_ref /pos/slia例 2: 不支持SLIS服務的異常應答slia ver= result resid=108SERVICE NOT SUPPORTED/result add_info39。slir39。 is not supported by the location server/add_info/slia例 3：返回長途區(qū)號的成功應答slia ver= pos msid461018765710/msid area_code10/area_code account_ref A100200701010000100002/account_ref /pos/slia例 4：返回CGI的異常應答slia ver= result resid=718 SUBCRIBER CGI INFORMTION NOT SUPPORTED /result add_info Authorization to retrieve the subcriber CGI info is invalid. /add_info/slia 立即定位報告(SLIREP)! MLP_SLIREP !ENTITY% !ELEMENTslirep(req_id, pos+ %。)!ATTLISTslirep ver CDATAFIXED 例：slirep ver= req_id R100200701010000100002/req_id pos msid type=IPV610:A1:45::23:B7:89/msid pd time utc_off=+030020020813010423/time shape CircularArea srsName=4326 coord X35 03 /X Y135 47 /Y /coord radius15/radius /CircularArea /shape /pd /pos/slirep 立即緊急定位服務ELIS(Emergency Location Immediate Service)立即緊急定位服務ELIS用于用戶撥打緊急呼叫時定位用戶。由于一種定位方式可能阻止另一種時間更短的定位方式（如AGPS定位和CellID定位），業(yè)務平臺可以定義接收定位結果使用一個或多個連接（connection）。ELIS由請求和應答消息組成：立即緊急定位請求(EME_LIR)立即緊急定位應答(EME_LIA)立即緊急定位報告（EME_LIREP）ELIS由ELIR和ELIA以及0、1或多個ELIR組成，消息流程圖如圖54所示：圖 54緊急定位流程示意圖注：若被定位對象為多個，且定位結果可逐個反應給給業(yè)務平臺時，可能有多個ELIREP發(fā)生，每個ELIREP可包含一個或多個定位結果。 緊急定位請求(EME_LIR)! MLP_EME_LIR !ENTITY% !ELEMENTeme_lir((msids | (msid, net_param, trans_id?, esrd?, esrk?)+), eqop?, geo_info?, loc_type? , pushaddr? %。)!ATTLISTeme_lir ver CDATAFIXED “”res_type (SYNC | ASYNC)SYNC例 1eme_lir ver=“” msids msid type=EME_MSID52000251431172606/msid /msids geo_info CoordinateReferenceSystem Identifier code4325/code codeSpaceEPSG/codeSpace edition/edition /Identifier /CoordinateReferenceSystem /geo_info loc_type type=CURRENT_OR_LAST //eme_lir例 2eme_lir ver=“” res_type=”ASYNC”msids msid type=EME_MSID52000251431172606/msid /msids geo_info CoordinateReferenceSystem Identifier code4326/code codeSpaceEPSG/codeSpaceedition/edition /Identifier/CoordinateReferenceSystem/geo_infoloc_type type=CURRENT_OR_LAST /pushaddrurl/url/pushaddr/eme_lir 緊急定位應答(EME_LIA)! MLP_EME_LIA !ENTITY% !ELEMENTeme_lia((eme_pos+ | req_id | (result, add_info?)) %。)!ATTLISTeme_lia ver CDATAFIXED “”例：eme_lia ver=“” eme_pos msid type=EME_MSID52000251431172606/msid pd time utc_off=+030020020623134453/time shape CircularArea srsName=4326 coord X30 24 /X Y45 28 /Y /coord radius15/radius /CircularArea /shape /pd esrk7839298236/esrk /eme_pos/eme_lia 立即緊急定位報告（EME_LIREP）! MLP_EME_LIREP !EN