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Action request – Welltech Dialogic SS7 Protocols ISUP User Manual

Page 34

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Section 6 Interface to Application

34

Mandatory parameters

• Facility indicator

Optional parameters

• Call reference

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

• Connection request
• Parameter compatibility information
• User to user indicators

The following optional parameters are supported in ANSI mode only (and are

conveyed transparently by the ISUP module):

• Business group
• Called party number
• Calling party number
• Charge number
• Generic number (address)
• Generic digits
• Network transport

Action Request

Message type

FAC (Facility Message)

Mandatory parameters

None

Optional parameters

• Remote operations
• Service activation

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

• Access transport
• Call transfer number
• Generic notification
• Message compatibility information
• Parameter compatibility information