diff options
Diffstat (limited to 'openbsc/doc/sgsn-remote-protocol.txt')
| -rw-r--r-- | openbsc/doc/sgsn-remote-protocol.txt | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/openbsc/doc/sgsn-remote-protocol.txt b/openbsc/doc/sgsn-remote-protocol.txt index 3369d19b1..acb24a5ef 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 @@ -279,6 +280,7 @@ This is a container for information elements describing a single PDP. 10 PDP context id big endian int, 1-N C TLV 3 11 PDP type 4.2.4 C TLV 4 12 Access point name 04.08, 10.5.6.1 C TLV 3-102 + 13 Quality of Service 4.2.11 O TLV 1-20 The conditional IE are mandantory unless mentioned otherwise. @@ -354,9 +356,11 @@ 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 | + | 0x13 QoS 4.2.11 | | 0x20 RAND octet string | | 0x21 SRES octet string | | 0x22 Kc octet string | @@ -397,3 +401,44 @@ 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 + +-----------------------------------------------------+ + : : : + +-----------------------------------------------------+ + + +4.2.11 Quality of Service Subscribed Service + +This encodes the subscribed QoS of a subscriber. It will be used by the +SGSN during the PDP Context activation. If the length of the QoS data +is 3 (three) octets it is assumed that these are octets 3-5 of the TS +3GPP TS 24.008 Quality of Service Octets. If it is more than three then +then it is assumed that the first octet is the Allocation/Retention +Priority and the reset are encoded as octets 3-N of 24.008. + + + 8 7 6 5 4 3 2 1 + +-----------------------------------------------------+ + | | IEI | octet 1 + +-----------------------------------------------------+ + | Length of IE contents | octet 2 + +-----------------------------------------------------+ + : : : + +-----------------------------------------------------+ |