Peer Telephone Set Rejects Call (Reject Response Code 486) - Fanvil X3S Software Installation & Configuration

Click Exit. The test telephone set does not call B and returns to the standby screen.
Click OK and capture SIP packets. It is found that the peer telephone set sends NOTIFY,
indicating that it is in the terminated state. At this time, the test telephone set can call B again and
set up a normal call.

4.2 Peer Telephone Set Rejects Call (Reject Response Code 486)

1. The call completion function is enabled for the test telephone set. The reject response code is
set to 486 (busy here) for the peer telephone set.
2. The test telephone set calls B in hands-free, handle, or headset mode. B rejects the call. The
test telephone set displays the message "Call Completion. Wait xxx" (xxx is the phone number of
B), as shown in the following figure.