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ISDN ANALYZER D1080 - messkom.de

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<strong>ISDN</strong> <strong>ANALYZER</strong> <strong>D1080</strong> USER’S MANUAL REV. 5<br />

It indicates that the received information element is implemented,<br />

but one or more fields cannot be acknowledged.<br />

Cause #101 - “message not compatible with call<br />

state”<br />

It indicates that the received message is not compatible with the<br />

state of the call.<br />

Cause #102 - “recovery on timer expiry”<br />

It indicates that a error managing procedure was started because<br />

the timer set forth by ETS 300 102-1 expired.<br />

Cause #111 - “protocol error, unspecified”<br />

It indicates a protocol error when no other cause in the “protocol<br />

errors” class is applicable.<br />

B.7. “INTERWORKING” CLASS<br />

Cause #127 - “interworking, unspecified”<br />

It indicates interworking with a network which does not give the<br />

cause for the actions taken. Therefore it is not possible to i<strong>de</strong>ntify<br />

the exact cause of the message.<br />

212<br />

APPENDIX B. POSSIBLE VALUES OF THE “CAUSE” FIELD

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