Dialogic® DSI SS7MD Programmer’s Manual Issue 3
6.7.6MGT_MSG_SS7_EVENT – MTP2 Q.791 Event Indication
Synopsis
Message issued by the MTP2 module to advise management of protocol events in accordance with Q.791. Format
| MESSAGE HEADER |
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Field Name | Meaning |
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type | MGT_MSG_SS7_EVENT (0x0202) |
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id | l2_llid |
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src | MTP2_module_ID |
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dst | Management module ID |
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rsp_req | 0 |
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hclass | 0 |
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status | EVENT CODE (see below) |
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err_info | Timestamp |
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next | 0 |
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len | 0 |
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Description
This primitive is used by MTP2 to advise system management of the occurrence of protocol related events in accordance with Q.791. Currently, these events relate to the following:
•the reason for a signaling link (previously in service) going out of service (events prefixed S7F_)
•a timer expired (prefixed S7T_)
•a proving failure (prefixed S7P_)
The MGT_MSG_SS7_EVENT message header includes the following field:
•EVENT CODE
The event that has just occurred. The following table indicates the possible values and their meanings.
Value | Mnemonic | Description |
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0 | S7F_STOP | Stop request received |
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1 | S7F_FIBR_BSNR | Abnormal FIBR/BSNR |
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2 | S7F_EDA | Excessive delay of acknowledgement |
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3 | S7F_SUERM | Excessive error rate (SUERM or EIM) |
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4 | S7F_ECONG | Excessive congestion |
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5 | S7F_SIO_RXD | Unexpected SIO received |
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6 | S7F_SIN_RXD | Unexpected SIN received |
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7 | S7F_SIE_RXD | Unexpected SIE received |
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8 | S7F_SIOS_RXD | SIOS received |
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32 | S7T_T1_EXP | Timer T1 expiry |
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33 | S7T_T2_EXP | Timer T2 expiry |
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34 | S7T_T3_EXP | Timer T3 expiry |
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48 | S7P_AERM | Failed proving attempt |
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