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#**1、ATTACH附着相关取值
##1）ATTACH REQUEST消息中“EPS attach type”
8 7 6 5 4 3 2 1
EPS attach type IEI 0
Spare EPS attach type value octet 1
EPS attach type value (octet 1)
Bits
3 2 1
0 0 1 1:EPS attach
0 1 0 2:combined EPS/IMSI attach
0 1 1 3:EPS RLOS attach (NOTE)
1 1 0 6:EPS emergency attach
1 1 1 7:reserved
1代表EPS 附着、2代表联合附着。。。
##2）ATTACH ACCEPT消息中EPS attach result value的取值
EPS attach result value (octet 1)
Bits
3 2 1
0 0 1 EPS only
0 1 0 combined EPS/IMSI attach
All other values are reserved.
Bit 4 of octet 1 is spare and shall be coded as zero.
##3)EMM的具体原因值的编码规则
Cause value (octet 2)
Bits
8 7 6 5 4 3 2 1
0 0 0 0 0 0 1 0 IMSI unknown in HSS
0 0 0 0 0 0 1 1 Illegal UE
0 0 0 0 0 1 0 1 IMEI not accepted
0 0 0 0 0 1 1 0 Illegal ME
0 0 0 0 0 1 1 1 EPS services not allowed
0 0 0 0 1 0 0 0 EPS services and non-EPS services not allowed
0 0 0 0 1 0 0 1 UE identity cannot be derived by the network
0 0 0 0 1 0 1 0 Implicitly detached
0 0 0 0 1 0 1 1 PLMN not allowed
0 0 0 0 1 1 0 0 Tracking Area not allowed
0 0 0 0 1 1 0 1 Roaming not allowed in this tracking area
0 0 0 0 1 1 1 0 EPS services not allowed in this PLMN
0 0 0 0 1 1 1 1 No Suitable Cells In tracking area
0 0 0 1 0 0 0 0 MSC temporarily not reachable
0 0 0 1 0 0 0 1 Network failure
0 0 0 1 0 0 1 0 CS domain not available
0 0 0 1 0 0 1 1 ESM failure
0 0 0 1 0 1 0 0 MAC failure
0 0 0 1 0 1 0 1 Synch failure
0 0 0 1 0 1 1 0 Congestion
0 0 0 1 0 1 1 1 UE security capabilities mismatch
0 0 0 1 1 0 0 0 Security mode rejected, unspecified
0 0 0 1 1 0 0 1 Not authorized for this CSG
0 0 0 1 1 0 1 0 Non-EPS authentication unacceptable
0 0 0 1 1 1 1 1 Redirection to 5GCN required
0 0 1 0 0 0 1 1 Requested service option not authorized in this PLMN
0 0 1 0 0 1 1 1 CS service temporarily not available
0 0 1 0 1 0 0 0 No EPS bearer context activated
0 0 1 0 1 0 1 0 Severe network failure
0 1 0 0 1 1 1 0 PLMN not allowed to operate at the present UE location
0 1 0 1 1 1 1 1 Semantically incorrect message
0 1 1 0 0 0 0 0 Invalid mandatory information
0 1 1 0 0 0 0 1 Message type non-existent or not implemented
0 1 1 0 0 0 1 0 Message type not compatible with the protocol state
0 1 1 0 0 0 1 1 Information element non-existent or not implemented
0 1 1 0 0 1 0 0 Conditional IE error
0 1 1 0 0 1 0 1 Message not compatible with the protocol state
0 1 1 0 1 1 1 1 Protocol error, unspecified
##4)ESM的具体原因值的编码规则
Cause value (octet 2)
Bits
8 7 6 5 4 3 2 1
0 0 0 0 1 0 0 0 Operator Determined Barring
0 0 0 1 1 0 1 0 Insufficient resources
0 0 0 1 1 0 1 1 Missing or unknown APN
0 0 0 1 1 1 0 0 Unknown PDN type
0 0 0 1 1 1 0 1 User authentication or authorization failed
0 0 0 1 1 1 1 0 Request rejected by Serving GW or PDN GW
0 0 0 1 1 1 1 1 Request rejected, unspecified
0 0 1 0 0 0 0 0 Service option not supported
0 0 1 0 0 0 0 1 Requested service option not subscribed
0 0 1 0 0 0 1 0 Service option temporarily out of order
0 0 1 0 0 0 1 1 PTI already in use
0 0 1 0 0 1 0 0 Regular deactivation
0 0 1 0 0 1 0 1 EPS QoS not accepted
0 0 1 0 0 1 1 0 Network failure
0 0 1 0 0 1 1 1 Reactivation requested
0 0 1 0 1 0 0 1 Semantic error in the TFT operation
0 0 1 0 1 0 1 0 Syntactical error in the TFT operation
0 0 1 0 1 0 1 1 Invalid EPS bearer identity
0 0 1 0 1 1 0 0 Semantic errors in packet filter(s)
0 0 1 0 1 1 0 1 Syntactical errors in packet filter(s)
0 0 1 0 1 1 1 0 Unused (see NOTE 2)
0 0 1 0 1 1 1 1 PTI mismatch
0 0 1 1 0 0 0 1 Last PDN disconnection not allowed
0 0 1 1 0 0 1 0 PDN type IPv4 only allowed
0 0 1 1 0 0 1 1 PDN type IPv6 only allowed
0 0 1 1 0 1 0 0 Single address bearers only allowed
0 0 1 1 0 1 0 1 ESM information not received
0 0 1 1 0 1 1 0 PDN connection does not exist
0 0 1 1 0 1 1 1 Multiple PDN connections for a given APN not allowed
0 0 1 1 1 0 0 0 Collision with network initiated request
0 0 1 1 1 0 0 1 PDN type IPv4v6 only allowed
0 0 1 1 1 0 1 0 PDN type non IP only allowed
0 0 1 1 1 0 1 1 Unsupported QCI value
0 0 1 1 1 1 0 0 Bearer handling not supported
0 0 1 1 1 1 0 1 PDN type Ethernet only allowed
0 1 0 0 0 0 0 1 Maximum number of EPS bearers reached
0 1 0 0 0 0 1 0 Requested APN not supported in current RAT and PLMN combination
0 1 0 1 0 0 0 1 Invalid PTI value
0 1 0 1 1 1 1 1 Semantically incorrect message
0 1 1 0 0 0 0 0 Invalid mandatory information
0 1 1 0 0 0 0 1 Message type non-existent or not implemented
0 1 1 0 0 0 1 0 Message type not compatible with the protocol state
0 1 1 0 0 0 1 1 Information element non-existent or not implemented
0 1 1 0 0 1 0 0 Conditional IE error
0 1 1 0 0 1 0 1 Message not compatible with the protocol state
0 1 1 0 1 1 1 1 Protocol error, unspecified
0 1 1 1 0 0 0 0 APN restriction value incompatible with active EPS bearer context
0 1 1 1 0 0 0 1 Multiple accesses to a PDN connection not allowed
##5）S1AP错误码
#2、EXTENDED SERVICE REQUEST消息中Service type value的取值
8 7 6 5 4 3 2 1
Service type
IEI Service type value octet 1
Service type value (octet 1)
Service type value
Bits
4 3 2 1
0 0 0 0 mobile originating CS fallback or 1xCS fallback
0 0 0 1 mobile terminating CS fallback or 1xCS fallback
0 0 1 0 mobile originating CS fallback emergency call or 1xCS fallback emergency call
0 0 1 1 unused; shall be interpreted as “mobile originating CS fallback or 1xCS fallback”, if received by the network
0 1 0 0 unused; shall be interpreted as “mobile originating CS fallback or 1xCS fallback”, if received by the network
1 0 0 0 packet services via S1
1 0 0 1 unused; shall be interpreted as “packet services via S1”, if received by the network
1 0 1 0 unused; shall be interpreted as “packet services via S1”, if received by the network
1 0 1 1 unused; shall be interpreted as “packet services via S1”, if received by the network
#3、TRACKING AREA UPDATE REQUEST消息中“EPS update type取值
8 7 6 5 4 3 2 1
EPS update type
IEI “Active” flag EPS update type
Value octet 1
EPS update type value (octet 1, bit 1 to 3)
Bits
3 2 1
0 0 0 0：TA updating
0 0 1 1：combined TA/LA updating
0 1 0 2：combined TA/LA updating with IMSI attach
0 1 1 3：periodic updating
1 0 0 4：unused; shall be interpreted as “TA updating”, if received by the network.
1 0 1 5：unused; shall be interpreted as “TA updating”, if received by the network.
“Active” flag (octet 1, bit 4)
Bit
4
0 No bearer establishment requested
1 Bearer establishment requested
#4、DETACH REQUEST消息中DETACH REQUEST消息中Type of detach及Switch off的取值
Type of detach (octet 1)
UE>网络
Bits
3 2 1
0 0 1 EPS detach
0 1 0 IMSI detach
0 1 1 combined EPS/IMSI detach
1 1 0 reserved
1 1 1 reserved
网络>UE:
Bits
3 2 1
0 0 1 re-attach required
0 1 0 re-attach not required
0 1 1 IMSI detach
1 1 0 reserved
1 1 1 reserved
Switch off (octet 1)
UE>网络:
Bit
4
0 normal detach
1 switch off
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