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Q.850 causes

Q.850 cause 81: Invalid call reference value

Invalid call reference value. A cause from the "protocol errors" group.

81
Q.850 name
Invalid call reference value
Group
Protocol errors
FreeSWITCH
INVALID_CALL_REFERENCE
Asterisk
HANGUPCAUSE=81
In SIP
Reason: Q.850;cause=81

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