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Welltech Dialogic SS7 Protocols ISUP User Manual

Page 47

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Dialogic

®

SS7 Protocols ISUP Programmer's Manual Issue 15

47

Optional parameters

• Access transport
• Calling party's category

Defaults to 0x0a if not supplied

• Call reference
• Calling party number
• Forward call indicators

Defaults to 0x0040 if not supplied

• Generic digits

This parameter may be repeated (see

Appendix E: ISUP Repeat

Parameters on page 197

).

• Generic number (address)

This parameter may be repeated (see

Appendix E: ISUP Repeat

Parameters

).

on page 197

• Hop counter
• Nature of connection indicators

Defaults to 0x00 if not supplied

• Original called number
• Redirecting number
• Redirection information
• Remote operations
• Service activation
• Transit network selection
• User service information

In ANSI mode, defaults to 0x80, 0x90 , 0xa2 CCITT coding standard

information transfer capability speech 64kbit/s circuit mode

μ

--law (layer

1 protocol)

• User service information prime
• User to user information

If no user to user indicators are provided, presence of user to user

information is considered as an implicit request of service 1.

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

• Backward GVNS
• Call diversion treatment indicators
• Call offering treatment indicator
• Called IN number
• CCSS