Yealink SIP-T21 E2

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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Return Code When Refuse
Return code when refuse defines the return code and reason of the SIP response message for
the refused call. The caller’s phone LCD screen displays the reason according to the received
return code. Available return codes and reasons are:
 404 (Not Found)
 480 (Temporarily Unavailable)
 486 (Busy Here)
 603 (Decline)
The following shows an example of the returned reason for the refused call:
Procedure
Return code for refused call can be configured using the following methods.
Central Provisioning
(Configuration File)
<y0000000000xx>.cfg
Specify the return code and the
reason of the SIP response
message when refusing a call.
Parameter:
features.normal_refuse_code
Web User Interface
Specify the return code and the
reason of the SIP response
message when refusing a call.
Navigate to:
http://<phoneIPAddress>/servlet?
p=features-general&q=load