7.7.47 SGSN Number

29.0603GPPGeneral Packet Radio Service (GPRS)GPRS Tunnelling Protocol (GTP) across the Gn and Gp interfaceRelease 17TS

The SGSN number refers to the ISDN number of a SGSN. The SGSN Number is defined in 3GPP TS 23.003 [2]. The SGSN Number is coded according to the contents of ISDN-AddressString data type defined in 3GPP TS 29.002 [6]. The SGSN Number shall be in international format and the "nature of address indicator" shall indicate "international number".

The SGSN number may also refer to the ISDN number of a MME for MT-SMS. The MME Number for MT-SMS is defined in 3GPP TS 23.003 [2]. The MME Number for MT-SMS is coded according to the contents of ISDN-AddressString data type defined in 3GPP TS 29.002 [6]. The MME Number for MT-SMS shall be in international format and the "nature of address indicator" shall indicate "international number".

Figure 62: SGSN Number Information Element