From e448554568fb4244a1b95e2e8666714f9498d69a Mon Sep 17 00:00:00 2001 From: Holger Hans Peter Freyther Date: Wed, 22 Apr 2015 22:10:44 -0400 Subject: gsup: Document passing MSISDN as part of the response When asking the GGSN to create/open a PDP context one needs to send a MSISDN. The MSISDN can only be provided through the GSUP interface. --- openbsc/doc/sgsn-remote-protocol.txt | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/openbsc/doc/sgsn-remote-protocol.txt b/openbsc/doc/sgsn-remote-protocol.txt index 3369d19b1..27b9abf4b 100644 --- a/openbsc/doc/sgsn-remote-protocol.txt +++ b/openbsc/doc/sgsn-remote-protocol.txt @@ -119,6 +119,7 @@ Network peer -> SGSN IEI Info Element Type Pres. Format Length Message type 4.2.1 M V 1 01 IMSI 4.2.9 M TLV 2-10 + 08 MSISDN 4.2.10 O TLV 0-9 04 PDP info complete 4.2.8 O TLV 2 05 PDP info 4.2.3 1-10 TLV @@ -354,6 +355,7 @@ IEI that shall be used for the encoding. | 0x05 PDP info 4.2.3 | | 0x06 Cancel type 4.2.6 | | 0x07 Freeze P-TMSI 4.2.8 | + | 0x08 MSISDN ISDN-AddressString/octet, 4.2.10 | | 0x10 PDP context id big endian int | | 0x11 PDP type 4.2.4 | | 0x12 APN 04.08, 10.5.6.1 | @@ -397,3 +399,24 @@ The IMSI is encoded like in octet 4-N of the Called Party BCD Number defined in Note 1) Either '1 1 1 1 | Number digit N' (N odd) or 'Number digit N | Number digit N-1' (N even), where N is the number of digits. + +4.2.10. ISDN-AddressString / MSISDN / Called Party BCD Number + +The MSISDN is encoded as an ISDN-AddressString in GSM 09.02 and Called Party +BCD Number in GSM 04.08. It will be stored by the SGSN and then passed as is +to the GGSN during the activation of the primary PDP Context. + + 8 7 6 5 4 3 2 1 + +-----------------------------------------------------+ + | | IEI | octet 1 + +-----------------------------------------------------+ + | Length of IE contents | octet 2 + +-----------------------------------------------------+ + | ext | Type of num | Numbering plan | octet 2 + +-----------------------------------------------------+ + | Number digit 2 | Number digit 1 | octet 3 + +-----------------------------------------------------+ + | Number digit 4 | Number digit 3 | octet 4 + +-----------------------------------------------------+ + : : : + +-----------------------------------------------------+ -- cgit v1.2.3