Welltech Dialogic SS7 Protocols ISUP - Manual (Page 59)

Dialogic ® SS7 Protocols ISUP Programmer's Manual Issue 15
59
6.6.2 Application Transport Indication
Note: This message is only applicable to ITU-T operation.
This primitive can be issued in all call states up until release. It is used by
ISUP to convey application information received from the network without
changing state.
Message type
APM (Application Transport Message)
Mandatory parameters
None
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
6.6.3 ‘Generic’ Charge Indication
Note: This message is only applicable to ITU-T operation.
This primitive is used to convey charging information relating to a call. This
primitive can be issued by ISUP in all call states up to and including the
answered and suspended states providing that the circuit group
ISPX1GOP_TX_CRG option is set.
Message type
CRG (Charge Message)
Mandatory parameters
• Message data
Optional parameters
None