Universal Trace Analyzer
Error codes › Q.850 cause

Q.850 cause 26 Non-selected user clearing

Q.850 causeITU-T Q.850 Table 1

What it means

The call was cleared by a party other than the one selected (Non-selected user clearing).

Where you see it

In ISUP/BICC REL messages, 2G/3G DTAP Disconnect, and SIP Reason headers (Q.850;cause=…).

What to check

Check the cause location (user, private or public network) to see which side released the call.

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Related codes

Q.850 cause 27 Destination out of orderThe destination is out of order (Destination out of order) -- an equip…Q.850 cause 28 Invalid number format (address incomplete)The dialed number's format was invalid or incomplete (Invalid number f…Q.850 cause 22 Number changedThe dialed number has changed (Number changed).…Q.850 cause 31 Normal, unspecifiedNormal, unspecified — a normal call release without a more specific re…Q.850 cause 20 Subscriber absentThe subscriber is registered but currently absent (Subscriber absent) …Q.850 cause 34 No circuit/channel availableNo circuit/channel available — congestion on the call's route.…