Welltech Dialogic SS7 Protocols ISUP - Manual (Page 69)

Dialogic ® SS7 Protocols ISUP Programmer's Manual Issue 15
69
6.6.21 Proceeding Indication
This primitive is used by ISUP to indicate that the destination exchange
recognizes that sufficient address digits have been sent (on an outgoing call)
to allow the call to proceed.
Message type
ACM (Address Complete Message)
Mandatory parameters
• Backward call indicators
Optional parameters
• Access transport
• Cause indicators
• Optional backward call indicators
• Remote operations
• Service activation
• Transmission medium used
• User to user indicators
Indicates that a previously requested supplementary service has been
provided
• User to user information
The following optional parameters are supported in ITU-T mode only:
• Access delivery information
• Call diversion information
• Conference treatment indicators
• Generic notification indicator
This parameter may be repeated (see Appendix E: ISUP Repeat
Parameters on page 197 ).
• Echo control information
• Network specific facility
• Parameter compatibility information
• Redirection number
• Redirection number restriction indicator
The following optional parameters are supported in ANSI mode only:
• Business group
• Generic digits
• Information indicators
• Network transport