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31 suspend indication, 32 unrecognised message indication, 33 user information indication – Welltech Dialogic SS7 Protocols ISUP User Manual

Page 79: Suspend indication, Unrecognised message indication, User information indication

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Dialogic

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SS7 Protocols ISUP Programmer's Manual Issue 15

79

6.6.31 Suspend

Indication

This message is used by ISUP to indicate that a currently connected call has

been suspended.

Message type

• SUS (Suspend Message)

Mandatory parameters

• Suspend/resume indicators

Optional parameters

• Call reference

6.6.32 Unrecognised

Message Indication

Note: This message is only applicable to ITU-T operation.

This primitive is used to transit an unknown message type.

Message type

Unrecognised message

Mandatory parameters

• Message data

Optional parameters

None

6.6.33

User Information Indication

Note: This message is only applicable to ITU-T operation.

This primitive is issued to the application to convey user information received
from the remote party during call set-up (supplementary service 2) or during

the established (speech) phase of a call (supplementary service 3).

Message type

USR (User Information Message)

Mandatory parameters

• User to user information

Optional parameters

• Access transport
• Call reference