From: Holger Hans Peter Freyther <[email protected]>

---
 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 3369d19..88a384e 100644
--- a/openbsc/doc/sgsn-remote-protocol.txt
+++ b/openbsc/doc/sgsn-remote-protocol.txt
@@ -121,6 +121,7 @@ Network peer -> SGSN
   01   IMSI                    4.2.9                   M       TLV     2-10
   04   PDP info complete       4.2.8                   O       TLV     2
   05   PDP info                4.2.3                   1-10    TLV
+  13   MSISDN                  4.2.10                  O       TLV     0-9

 If the PDP info complete IE is present, the old PDP info list shall be cleared.

@@ -357,6 +358,7 @@ IEI that shall be used for the encoding.
   | 0x10   PDP context id big endian int                    |
   | 0x11   PDP type       4.2.4                             |
   | 0x12   APN            04.08, 10.5.6.1                   |
+  | 0x13   MSISDN         ISDN-AddressString/octet          |
   | 0x20   RAND           octet string                      |
   | 0x21   SRES           octet string                      |
   | 0x22   Kc             octet string                      |
@@ -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
+
+
+MSISDN. ISDN-AddressString in GSM 09.02 and Called Party
+BCD Number in GSM 04.08.
+
+     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
+  +-----------------------------------------------------+
+  :                                                     :   :
+  +-----------------------------------------------------+
-- 
2.3.5

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