SGSN Context Request Message  <sgsnContextReq> 

Sent from the new SGSN to the old SGSN to obtain the subscriber's MM and PDP contexts.
Reference: 3GPP TS 23.060, 29.060

The message must include at least the following elements (IEs) in order to be considered valid by an SGSN:

Type:

  SgsnContextRequestMsgType
ATTRIBUTES
name nameType

CHILD ELEMENTS

Child

Occurrences

Type

 <header> 0 .. 1 gtpHeaderType
IMSI IE <imsi> 0 .. 1 gtpImsiType
Routing Area Identity IE <rai> 0 .. 1 gtpRaiType
Temporary Logical Link Identity (TLLI) IE <tlli> 0 .. 1 gtpTlliType
Packet Temporary MS Identity (P-TMSI) IE <p_tmsi> 0 .. 1 gtpPtmsiType
P-TMSI Signature IE <p_tmsi_sig> 0 .. 1 gtpPtmsiSignatureType
MS Validated IE <ms_validated> 0 .. 1 gtpMsValidatedType
Tunnel Endpoint Identifier Control Plane IE <teicp> 0 .. 1 gtpTeicpType
IP Address <control_addr> 0 .. 2 IpAddressDynamicValueType
SGSN Number IE <sgsn_number> 0 .. 1 gtpSgsnNumber
Radio Access Technology Type IE <rat_type> 0 .. 1 gtpRatTypeType
Hop Counter IE <hop_counter> 0 .. 1 gtpHopCounterType
Private Extension IE <private_ext> 0 .. * gtpPrivateExtType
PARENT ELEMENTS

Parent

Type

GTP-C V1 Message Definitions <gtpv1_messages> GtpMessageTypes
GTP-C V1 Message Definitions <message_definitions> GtpMessageTypes