1874:
1863:
560:
is the process of examining a subscriber's IMSI to identify the network the IMSI belongs to, and whether subscribers from that network may use a given network (if they are not local subscribers, this requires a roaming agreement).
236:(MNC), either 2-digit (European standard) or 3-digit (North American standard). The length of the MNC depends on the value of the MCC, and it is recommended that the length is uniform within a MCC area. The remaining digits are the
592:
then determine MNC and convert to national network code for the carrier's network. But this process is not used in practice and the GSM numbering authority has clearly stated that a one-stage process is used
772:
The Home
Network Identity (HNI) is the combination of the MCC and the MNC. This is the number which fully identifies a subscriber's home network. This combination is also known as the
564:
If the subscriber is not from the provider's network, the IMSI must be converted to a Global Title, which can then be used for accessing the subscriber's data in the remote
17:
599:
In North
America, the IMSI is directly converted to an E.212 number with no modification of its value. This can be routed directly on American SS7 networks.
991:
927:
878:
1469:
1490:
1837:
588:
switches. E.214 can be interpreted as implying that there are two separate stages of conversion; first determine the MCC and convert to E.164
1717:
1729:
1289:
1016:
262:). The IMSI lives as part of the profile (or one of several profiles if the SIM and operator support multi-IMSI SIMs) on the SIM/ICCID.
1897:
1667:
1641:
237:
178:
from identifying and tracking the subscriber on the radio interface, the IMSI is sent as rarely as possible and a randomly-generated
920:
1797:
1246:
244:
1702:
1143:
1334:
913:
166:
field and is sent by the mobile device to the network. It is also used for acquiring other details of the mobile in the
1712:
603:
1401:
1050:
971:
886:
218:
1413:
996:
946:
1802:
1406:
976:
1748:
1741:
1724:
691:
647:
589:
240:(MSIN) within the network's customer base, usually 9 to 10 digits long, depending on the length of the MNC.
1241:
1187:
1162:
1045:
1036:
1755:
1902:
1202:
202:
228:'s old IMSIs that are still in use in the market are 14 digits long. The first 3 digits represent the
1197:
258:), which is the identifier for the physical SIM card itself (or now the virtual SIM card if it is an
171:
607:
1867:
1697:
1459:
1453:
1447:
1396:
1364:
966:
800:
761:
715:
584:
provides a method to convert the IMSI into a number that can be used for routing to international
572:. Outside North America, the IMSI is converted to the Mobile Global Title (MGT) format, standard
1907:
1817:
1425:
1066:
198:
1842:
954:
895:
565:
167:
179:
1780:
1707:
1133:
459:
900:
1785:
1770:
1760:
986:
981:
826:"E.212 : The international identification plan for public networks and subscriptions"
760:
This number has to be converted on the ANSI to ITU boundary. For more details please see
8:
1775:
1765:
733:
718:
is set to 7 in the SCCP message). This number can now be sent to Global Title
Analysis.
628:
594:
233:
229:
618:
This example shows the actual practice which is not clearly described in the standards.
585:
295:
225:
1878:
1792:
1692:
1687:
1564:
1006:
936:
757:
Therefore, 284011234567890 becomes 284011234567890 under the E.212 numbering plan.
665:
Therefore, 284011234567890 becomes 359881234567890 under the E.214 numbering plan.
224:
An IMSI is usually presented as a 15-digit number but can be shorter. For example,
217:
card (the CDMA equivalent of the SIM card). Both cards have been superseded by the
159:
135:
711:
Therefore, 310150123456789 becomes 14054123456789 under the E.214 numbering plan.
1736:
890:
1827:
1822:
1651:
1268:
957:
518:
1891:
1832:
905:
503:
282:
1807:
1554:
1538:
1171:
848:
805:
750:
703:
658:
543:
418:
175:
883:
1636:
1585:
1495:
1483:
251:
884:
IMSI oversight council responsible for allocating IMSI ranges in the USA
606:
is used to send the message to its final destination. For details, see
879:"Cellular Networking Perspectives" article in Wireless Telecom Magazine
323:
1262:
825:
1615:
1519:
1418:
1341:
1308:
861:
446:
364:
336:
210:
1849:
1379:
1346:
1221:
1152:
1086:
1081:
1001:
569:
206:
107:
1558:
1429:
1329:
1071:
1011:
790:
377:
721:
150:
1646:
1631:
1594:
1581:
1500:
1478:
1284:
1076:
581:
577:
573:
405:
255:
214:
88:
1812:
1510:
1324:
1192:
1119:
795:
785:
773:
259:
194:
189:
mobile network that interconnects with other networks. For
265:
1232:
1207:
1128:
1115:
1091:
190:
141:
1610:
1533:
1303:
1105:
1026:
740:
identify this as belonging to MobilTel-Bulgaria network
650:+ a Bulgarian local prefix reaching MobilTel's network)
635:
identify this as belonging to MobilTel-Bulgaria network
158:) is a number that uniquely identifies every user of a
147:
568:. This is mainly important for international mobile
851:
Release 14.3.0 (2017-03), 2.2 "Composition of IMSI"
144:
138:
613:
1889:
714:The result is an E.214 compliant Global Title, (
746:mark the number as having E.212 numbering plan.
698:mark the number as having E.214 numbering plan.
654:mark the number as having E.214 numbering plan.
935:
921:
201:networks, this number was provisioned in the
722:Example inside World Area 1 (North America)
928:
914:
213:networks, in the phone directly or in the
238:mobile subscription identification number
767:
250:IMSIs can sometimes be mistaken for the
126:international mobile subscriber identity
36:International Mobile Subscriber Identity
18:International Mobile Subscriber Identity
266:Examples of IMSI numeric presentational
14:
1890:
1798:Multimedia Broadcast Multicast Service
909:
743:do not alter the digits of the number
1756:Spectral efficiency comparison table
546:for telecom and +1 is calling code)
24:
901:Explanation of GSM numbering plans
862:"HNI Assignments | IMSIAdmin"
674:(America first MCC + Cingular MNC)
170:(HLR) or as locally copied in the
25:
1919:
872:
1898:International telecommunications
1872:
1861:
947:List of mobile phone generations
552:
232:(MCC), which is followed by the
134:
614:Example of outside World Area 1
854:
842:
818:
672:match numbers starting 310150
13:
1:
811:
625:match numbers starting 28401
1868:Telecommunication portal
730:match number starting 28401
694:+ Network Code for Cingular)
7:
779:
62:; 36 years ago
10:
1924:
1365:CDMA2000 1xEV-DO Release 0
247:E.212 numbering standard.
1858:
1680:
1660:
1624:
1609:
1574:
1547:
1532:
1509:
1468:
1439:
1389:
1378:
1357:
1317:
1302:
1277:
1255:
1247:EDGE/EGPRS - Evolved EDGE
1231:
1220:
1180:
1172:D-AMPS (IS-54 and IS-136)
1161:
1142:
1114:
1104:
1059:
1035:
1025:
953:
944:
849:3GPP specification 23.003
638:remove first five digits
576:, which is similar to an
535:
527:
483:
468:
427:
386:
345:
304:
243:The IMSI conforms to the
172:visitor location register
102:
94:
84:
74:
56:
48:
40:
35:
801:Electronic Serial Number
762:Global Title Translation
716:Numbering Plan Indicator
608:Global Title Translation
1703:Comparison of standards
1342:UTRA-TDD LCR / TD-SCDMA
602:After this conversion,
1708:Channel access methods
1347:UTRA-TDD HCR / TD-CDMA
168:home location register
1879:Telephones portal
987:MTA - MTB - MTC - MTD
768:Home Network Identity
476:IMSI:313460000000001
435:IMSI:520031234567890
394:IMSI:460001357924680
353:IMSI:502130123456789
312:IMSI:470040123456789
271:IMSI:310170845466094
1496:iBurst (IEEE 802.20)
1269:CDMA2000 1X Advanced
590:country calling code
185:The IMSI is used in
162:. It is stored as a
27:ITU-T recommendation
1382:(3.5G, 3.75G, 3.9G)
1224:(2.5G, 2.75G, 2.9G)
992:Mobile TeleSeratout
896:IMSI Lookup Utility
753:across SCCP network
726:Translation rule:
707:across SCCP network
684:(length of MCC+MNC)
668:Translation rule:
661:across SCCP network
640:(length of MCC+MNC)
629:mobile country code
621:Translation rule:
544:industry identifier
477:
436:
395:
354:
313:
272:
234:mobile network code
230:mobile country code
32:
1903:Unique identifiers
1870:
1456:(TIA/EIA/IS-856-B)
1450:(TIA/EIA/IS-856-A)
1448:1xEV-DO Revision A
889:2004-04-23 at the
692:E.164 country code
648:E.164 country code
475:
434:
393:
352:
311:
270:
30:
1885:
1884:
1688:Cellular networks
1676:
1675:
1605:
1604:
1528:
1527:
1374:
1373:
1330:UTRA-FDD / W-CDMA
1298:
1297:
1265:(TIA/EIA/IS-2000)
1216:
1215:
1100:
1099:
749:route message on
701:route message on
657:route message on
550:
549:
473:
472:
432:
431:
391:
390:
350:
349:
309:
308:
182:is sent instead.
122:
121:
16:(Redirected from
1915:
1877:
1876:
1875:
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1865:
1864:
1793:Mobile broadband
1693:Mobile telephony
1681:Related articles
1622:
1621:
1565:LTE Advanced Pro
1545:
1544:
1460:EV-DO Revision C
1454:EV-DO Revision B
1387:
1386:
1315:
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1112:
1111:
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958:radio telephones
937:Cellular network
930:
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866:
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226:MTN South Africa
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1761:Frequency bands
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1380:3G transitional
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1222:2G transitional
1212:
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1153:cdmaOne (IS-95)
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934:
891:Wayback Machine
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824:
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770:
736:+ MobilTel MNC)
724:
690:(North America
631:+ MobilTel MNC)
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1908:3GPP standards
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1002:Autotel (PALM)
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873:External links
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644:prepend 35988
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540:0000 0000 0012
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80:September 2016
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75:Latest version
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1843:Wi-Fi Calling
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1803:NGMN Alliance
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1046:AMPS - N-AMPS
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205:card and for
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176:eavesdroppers
174:. To prevent
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98:Study Group 2
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59:
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34:
19:
1808:Push-to-talk
1586:IEEE 802.16m
1555:LTE Advanced
1539:IMT Advanced
1484:IEEE 802.16e
1479:Mobile WiMAX
1440:3GPP2 family
1367:(TIA/IS-856)
1358:3GPP2 family
1256:3GPP2 family
1235:/3GPP family
1051:TACS - ETACS
856:
844:
833:. Retrieved
829:
820:
806:IMSI-catcher
771:
759:
756:
751:Global Title
731:
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704:Global Title
702:
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490:000 000 001
249:
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186:
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129:
125:
123:
85:Organization
57:Year started
41:Abbreviation
1637:5G-Advanced
1625:3GPP family
1575:IEEE family
1567:(4.5G/4.9G)
1548:3GPP family
1390:3GPP family
1318:3GPP family
1263:CDMA2000 1X
1134:CSD - HSCSD
830:www.itu.int
542:(89 is the
469:1234567890
428:1357924680
387:0123456789
346:0123456789
1892:Categories
1491:Flash-OFDM
835:2019-11-06
812:References
732:(Bulgaria
646:(Bulgaria
627:(Bulgaria
528:000000001
324:Bangladesh
305:845466094
1591:WiMax 2.1
1446:CDMA2000
939:standards
95:Committee
1616:IMT-2020
1520:HiperMAN
1419:DC-HSDPA
1309:IMT-2000
887:Archived
780:See also
580:number.
447:THAILAND
337:TeleTalk
211:CDMA2000
114:/T-REC-E
52:In force
1850:Osmocom
1698:History
1668:DECT-5G
1642:NR-IIoT
1087:DataTAC
1082:Mobitex
682:digits
570:roaming
207:cdmaOne
103:Website
78:(09/16)
65: (
1652:NB-IoT
1618:(2021)
1613:(2018)
1559:E-UTRA
1541:(2013)
1536:(2009)
1513:family
1472:family
1430:E-UTRA
1311:(2001)
1306:(1998)
1165:family
1146:family
1122:family
1108:(1991)
1039:family
1029:(1979)
1012:B-Netz
960:(1946)
791:MSISDN
533:ICCID
378:Celcom
296:Sprint
164:64-bit
49:Status
1828:ViLTE
1823:VoLTE
1781:5G NR
1730:STDMA
1718:OFDMA
1661:Other
1647:LTE-M
1632:5G NR
1595:WiBro
1582:WiMAX
1501:WiBro
1414:HSPA+
1407:HSUPA
1402:HSDPA
1285:WiDEN
1278:Other
1181:Other
1144:3GPP2
1077:Hicap
1072:C-450
1060:Other
977:Altai
582:E.214
578:E.164
574:E.214
525:MSIN
481:IMSI
466:MSIN
425:MSIN
406:CHINA
384:MSIN
343:MSIN
302:MSIN
256:E.118
252:ICCID
215:R-UIM
89:ITU-T
31:E.212
1838:ViNR
1833:VoNR
1813:MIMO
1786:CDMA
1771:UMTS
1749:SDMA
1742:CDMA
1737:SSMA
1725:TDMA
1713:FDMA
1511:ETSI
1470:IEEE
1397:HSPA
1335:FOMA
1325:UMTS
1290:DECT
1242:GPRS
1193:iDEN
1188:CDPD
1163:AMPS
1120:3GPP
1037:AMPS
997:AMTS
972:IMTS
796:MEID
786:IMEI
774:PLMN
604:SCCP
519:Mobi
510:MNC
495:MCC
453:MNC
443:520
440:MCC
419:CMCC
412:MNC
402:460
399:MCC
371:MNC
361:502
358:MCC
330:MNC
320:470
317:MCC
292:170
289:MNC
279:310
276:MCC
260:eSIM
219:UICC
209:and
197:and
195:UMTS
180:TMSI
130:IMSI
124:The
116:.212
112:/rec
110:.int
67:1988
60:1988
44:IMSI
1818:IMS
1776:LTE
1766:GSM
1426:LTE
1233:GSM
1208:CT2
1203:PHS
1198:PDC
1129:GSM
1116:GSM
1092:CT1
1067:NMT
1017:AMR
1007:ARP
982:OLT
967:MTS
734:MCC
680:six
586:SS7
566:HLR
538:460
536:891
514:460
499:313
488:460
485:313
460:AIS
456:03
415:00
374:13
333:04
245:ITU
203:SIM
199:LTE
191:GSM
187:any
108:itu
1894::
1611:5G
1588:)
1534:4G
1304:3G
1106:2G
1027:1G
955:0G
828:.
776:.
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365:MY
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193:,
151:iː
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1584:(
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1428:(
1118:/
929:e
922:t
915:v
864:.
838:.
254:(
154:/
148:z
145:m
142:ɪ
139:ˈ
136:/
128:(
69:)
20:)
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