
4 Message Reference
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4.4.6 MGT_MSG_SS7_STATE - MTP2 Level 2 State Indication
Synopsis
Indication issued by the board every time the level 2 link state control state machine
changes state.
Format
MGT_MSG_SS7_STATE (0x0201)
llid (Level 2 logical link id - 0 ... 3)
Description
This message is issued by the MTP2 module every time a change of state takes place
at level 2. It is intended only for diagnostic use by system management. Normally the
MTP Pause and MTP Resume Indications are used by the user parts to determine
destination accessibility.
The level 2 link state control state machine is defined in Q.703.
Parameters
Link State
The status field in the message header is used to indicate the state that has just been
entered. It is coded as follows:
4.4.7 MGT_MSG_SS7_EVENT - MTP2 Q.752 Event Indication
Synopsis
Message issued by MTP2 to advise management of protocol events in accordance with
ITU-T Q.752.
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