What does the Hangup Cause "User Busy" mean?

Last Updated 2 years ago

This Hangup Cause is used to indicate that the called party is unable to accept another call because the User Busy condition has been encountered.

This Hangup Cause is generated by the called recipient's PBX or by the network itself.

This Hangup Cause is not due to a problem with the PBX or the user's phone.

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