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ETSI GTS GSM 03.70

M00000895

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ETSI GTS GSM 03.70 Digital cellular telecommunications system; Routeing of calls to/from Public Data Networks (PDN) and the GSM Public Land Mobile Network (PLMN) (GSM 03.70)

standard by European Telecommunications Standards Institute, 11/01/1996

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This Global System for Mobile communications Technical Specification ( GTS) identifies the routeing scenarios possible for calls between Publ ic Data Networks (PDN s) and the GSM PLMN. As one of the prime means o f routeing is based on the subscriber number, this recommendation init ially defines the numbering principles for interworking between PLMN s and PDN s. These principles indicate: -present PDN procedures when aiming at single stage interworking for the near term; and -future PDN procedures exploiting the 15 digit and intelligent signal ling capabilities of the ISDN as the long term solution. Further routeing scenarios are presented for PDN originated calls to m obile subscribers who are roaming on a foreign PLMN.