Welltech Dialogic SS7 Protocols ISUP Manual de usuario Pagina 169

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Dialogic
®
SS7 Protocols ISUP Programmer's Manual Issue 15
169
8.24 Heartbeat Request/Indication
This message is issued by the ISUP module to determine the status of the
user application for instance whether it is in service and can also be sent, by
the user application, to request a new heartbeat message from the ISUP
module.
Message Header
structure MSG
type CAL_MSG_HEARTBEAT (0x7718) T
id 0
1. ISUP module ID src
2. User Application module ID
1. User Application module ID dst
2. ISUP module ID
rsp_req 0x00
hclass 0x00
status 0x00
err_info 0x00
len 64
Parameter Area
offset 0, size 2: user instance id
offset 2, size 2: state
offset 4, size 2: flags
parameters
offset 6, size 58: reserved for future use - set to zero
Parameters
user instance id
The User ID.
state
The status of the user application.
Value Meaning Description
0 Unconfigured No circuit groups have been configured.
1 Down The user application is unavailable and out of service. The circuit
groups have been hardware blocked.
2 Up The user application is available and in service.
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