Welltech Dialogic SS7 Protocols ISUP - Manual (Page 31)

Dialogic ® SS7 Protocols ISUP Programmer's Manual Issue 15
31
Optional parameters
• Message compatibility information
• Parameter compatibility information
• Application transport parameter
This parameter may be repeated (see Appendix E: ISUP Repeat
Parameters on page 197 ).
• End of optional parameter
6.5.3 ‘Generic’ Charge Request
Note: This message is only applicable to ITU-T operation.
This primitive is used by the application to convey charging information
relating to a call. This message can be issued by the application in all call
states up to and including the answered and suspended states, provided that
the circuit group ISPX1GOP_TX_CRG option is set.
Message type
CRG (Charge Message)
Mandatory parameters
• Message data
Optional parameters
None
6.5.4 Circuit Seized Request
This primitive is used by the application to indicate that the circuit has been
seized for an outgoing call (but no address information has yet been sent)
and may be issued to initiate a continuity test call. When this primitive is
received by the ISUP module, a CCR message will be sent to the network.
Message type
SZE (Circuit Seized Message)
Mandatory parameters
• Nature of connection indicators
Optional parameters
None