Welltech Dialogic SS7 Protocols ISUP - Manual (Page 67)

Dialogic ® SS7 Protocols ISUP Programmer's Manual Issue 15
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Mandatory parameters
None
Optional parameters
None
6.6.17 Loop Prevention Indication
Note: This message is only applicable to ITU-T operation.
This message is issued by ISUP upon receipt of a Loop prevention message
from the network.
Message type
LOP (Loop Prevention Message)
Mandatory parameters
None
Optional parameters
• Message compatibility information
• Parameter compatibility information
• Call transfer reference
• Loop prevention indicators
6.6.18 Network Resource Management Indication
This primitive is used by ISUP to convey network resources associated with a
certain call. This message is sent along any established path in any direction
in any phase of a call.
Message type
NRM (Network Resource Management Message)
Mandatory parameters
None
Optional parameters
• Message compatibility information
• Parameter compatibility information
• Echo control information