Specifications

4 Message Reference
64
Value
Mnemonic
Description
33
S7T_T2_EXP
Timer T2 expiry
34
S7T_T3_EXP
Timer T3 expiry
48
S7P_AERM
Failed proving attempt
4.4.8 MGT_MSG_MTP_EVENT - MTP3 Q.752 Event Indication
Synopsis
Message issued by MTP3 to notify management of various protocol events in
accordance with ITU-T Q.752.
Format
MESSAGE HEADER
Field Name
Meaning
type
MGT_MSG_MTP_EVENT (0x0301)
id
0
src
MTP3 module id
dst
Management module id
rsp_req
0
hclass
0
status
Event Code (see below)
err_info
Timestamp
len
Either 0, 1, 2 or 4
PARAMETER AREA
Offset
Size
Name
0
len
Event specific parameters
Description
This primitive is used by MTP3 to advise management of the occurrence of protocol
related events in accordance with Q.752. These events either relate to the reason for a
signaling link (that was in service) going out of service (events prefixed S7F_) or the
occurrence of congestion related events (prefixed S7G_).
Parameters
Event Code
The Event Code coding and the meaning of the event specific parameters are given in
the following table:
link is indicated as (linkset_id * 256) + link_ref, (size = 2).
linkset is indicated as linkset_id, (size = 1).
point code is a 4 byte value, (size = 4).