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ISDN ANALYZER D1080 - messkom.de

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

It indicates that the user is not responding to a request for a call<br />

either with the ALERTING or CONNECT message within the set<br />

period of time (set in ETS300 102-1 by the T303 or T310 timer).<br />

Cause #19 - “no answer from user (user<br />

alerted)”<br />

It indicates that the user sent the ALERTING, but not the<br />

CONNECT message within the set period of time.<br />

! This cause is not necessarily generated by ETS300<br />

102-1 procedures, but can also generated by internal<br />

network timers.<br />

Cause #21 - “call rejected”<br />

It indicates that the terminal does not want to accept the call,<br />

although it could accept it, since it is neither busy nor compatible.<br />

Cause #22 - “number changed”<br />

It indicates that the called number is no longer assigned. The new<br />

called number can be inclu<strong>de</strong>d in the diagnostics field. If the<br />

network does not support this possibility, cause #1 “unallocated<br />

(unassigned) number” will be used.<br />

Cause #26 - “non-selected user clearing”<br />

It indicates that the incoming call has been connected to another<br />

terminal.<br />

APPENDIX B. POSSIBLE VALUES OF THE “CAUSE” FIELD 203

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