ISDN ANALYZER D1080 - messkom.de
ISDN ANALYZER D1080 - messkom.de
ISDN ANALYZER D1080 - messkom.de
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USER’S MANUAL REV. 5 <strong>ISDN</strong> <strong>ANALYZER</strong> <strong>D1080</strong><br />
B.5. “INVALID MESSAGE” CLASS (i.e.<br />
parameter is not within limits)<br />
Cause #81 - “invalid call reference value”<br />
It indicates that the a call reference in the received messages is<br />
not used in the user-network interface.<br />
Cause #82 - “i<strong>de</strong>ntified channel does not exist”<br />
It indicates that the terminal was asked to use a non-active<br />
channel.<br />
For instance, this cause is generated if the user subscribed the<br />
channels from 1 to 12 and the user terminal or the network try to<br />
use channels from 13 to 23.<br />
Cause #83 - “a suspen<strong>de</strong>d call exists, but this<br />
call i<strong>de</strong>ntity does not”<br />
It indicates that the terminal tried to resume a call with a different<br />
number from the ones assigned to the suspen<strong>de</strong>d calls.<br />
Cause #84 - “call i<strong>de</strong>ntity in use”<br />
It indicates that the request for suspension contains a number<br />
that is already used for a suspen<strong>de</strong>d call.<br />
Cause #85 -“no call suspen<strong>de</strong>d”<br />
It indicates that the request for resuming the call contains a<br />
number that does not correspond to any suspen<strong>de</strong>d call.<br />
APPENDIX B. POSSIBLE VALUES OF THE “CAUSE” FIELD 209
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