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Q.850 causes

Q.850 cause 22: Number changed

The number has changed and the old one is no longer used.

22
Q.850 name
Number changed
Group
Normal events
FreeSWITCH
NUMBER_CHANGED
Asterisk
HANGUPCAUSE=22
SIP response from a gateway
410 Gone
Produced from SIP codes
410
In SIP
Reason: Q.850;cause=22

Why it happens

What to check

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