Welltech Dialogic SS7 Protocols ISUP - Manual (Page 35)

Dialogic ® SS7 Protocols ISUP Programmer's Manual Issue 15
35
6.5.11 Facility Response
This message is used by the application to accept or reject a previously
requested user to user supplementary service 3 during the active (speech)
stage of a call.
Accepted
Message type
FAA (Facility Accepted Message)
Mandatory parameters
• Facility indicator
Optional parameters
• Call reference
• User to user indicators
The following optional parameters are supported in ITU-T mode only:
• Connection request
• Parameter compatibility information
Rejected
Message type
FRJ (Facility Rejected Message)
Mandatory parameters
• Facility indicator
• Cause indicators
Optional parameters
• Call reference
The following optional parameters are supported in ITU-T mode only:
• User to user indicators
The following optional parameters are supported in ANSI mode only:
• Called party number
• Calling party number