Dialogic DSI SPCI Network Interface Boards - Manual (Page 89)

Dialogic ® DSI SPCI Network Interface Boards Programmer's Manual Issue 5
89
6.4.8 MTP3 Q.752 Event Indication
Synopsis:
Message issued by MTP3 to notify management of various protocol events in
accordance with ITU-T Q.752.
Message 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 MTP2 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_).
Parameter Description:
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).