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Issued following acm – Welltech Dialogic SS7 Protocols ISUP User Manual

Page 29

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Dialogic

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SS7 Protocols ISUP Programmer's Manual Issue 15

29

• Network specific facility
• Parameter compatibility information
• Redirection number
• Redirection number restriction indicator
• UID action indicators

The following parameters are supported in ANSI mode only:

• Business group
• Generic digits
• Information indicators
• Network transport
• Notification indicator
• Redirection information

Issued following ACM

Message type

CPG (Call Progress Message)

Mandatory parameters

None

Optional parameters

• Access transport
• Backward call indicators
• Cause indicators
• Call reference
• Event information

Defaults to 0x01 if not supplied. i.e. ALERTING

• Optional backward call indicators
• Redirection number
• Remote operations
• Service activation
• Transmission medium used
• User to user indicators

May be used to accept user to user information service 1, 2 or 3

• User to user information

Discarded if user to user service 1 has not been accepted

The following optional parameters are supported in ITU-T mode only: