SS7 Network Management Messages
SIF: MSU-SNMM Signalling information field:
message flow -----> |
+- - - - - - - - - - - - - - - - - +---+---+---+-----+-----+- - -
| Management Information Parameters|H1 |H0 |SLC| OPC | DPC | SIO
+- - - - - - - - - - - - - - - - - +-4-+-4-+-4-+--14-+--14-+- - -
|-routing label-|
|-----label-----|
DPC - destination point code (cod: binary)
OPC - originating point code (cod: binary)
SLC - signalling link code
H0 - heading code 0
H1 - heading code 1
Network Management Message types: 15/Q.704 (07.96)
Id. in the test-set H1: H0:
(SNMM exceptions buttons
of the report filter)
---- 0000 Spare
---- 0001 CHM Changeover and changeback messages
ChangeoverOrder 0001 0001 COO Changeover-order signal
ChangeoverAck 0010 0001 COA Changeover-acknowledgement signal
ChangebackDecl 0101 0001 CBD Changeback-declaration signal
ChangebackAck 0110 0001 CBA Changeback-acknowledgement signal
---- 0010 ECM Emergency-changeover message
EmergChoverOrder 0001 0010 ECO Emergency changeover-order signal
EmergChoverAck 0010 0010 ECA Emergency changeover-acknowledgement signal
---- 0011 FCM Signalling-traffic-flow control messages
SRoutSetCongTest 0001 0011 RCT Signalling-route-set-congestion-test signal
TransfControlled 0010 0011 TFC Transfer-controlled signal
---- 0100 TFM Transfer-prohibited-allowed-restricted messages
TransfProhibited 0001 0100 TFP Transfer-prohibited signal
TransfRestricted 0011 0100 TFR Transfer-restricted signal (national option)
TransferAllowed 0101 0100 TFA Transfer-allowed signal
---- 0101 RSM Signalling-route-set-test messages
SRTestProhibDest 0001 0101 RST Signalling-route-set-test signal for prohibited destination
SRTestRestrDest 0010 0101 RSR Signalling-route-set-test signal for restricted destination (national option)
---- 0110 MIM Management inhibit messages
LinkInhibit 0001 0110 LIN Link inhibit signal
LinkUninhibit 0010 0110 LUN Link uninhibit signal
LinkInhibitAck 0011 0110 LIA Link inhibit acknowledgement signal
LinkUninhibitAck 0100 0110 LUA Link uninhibit acknowledgement signal
LinkInhibitDeni 0101 0110 LID Link inhibit denied signal
Link-force-uninh 0110 0110 LFU Link forced uninhibit signal
LinkLocInhibTest 0111 0110 LLT Link local inhibit test signal
LinkRenInhibTest 1000 0110 LRT Link remote inhibit test signal
---- 0111 TRM Traffic restart allowed message
TrafficRestaAllo 0001 0111 TRA Traffic-restart-allowed signal
---- 1000 DLM Signalling-data-link-connection messages
SDatLinConnOrder 0001 1000 DLC Signalling-data-link-connection-order signal
ConnSuccessful 0010 1000 CSS Connection-successful signal
ConnNotSuccess 0011 1000 CNS Connection-not-successful signal
ConnNotPossible 0100 1000 CNP Connection-not-possible signal
---- 1001 Spare
---- 1010 UFC User part flow control messages
UserPartUnavail 0001 1010 UPU User part unavailable signal
------1011...1111 Spare