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Configuring Basic Features
405
Anonymous Call Rejection
Anonymous call rejection
allows IP phones to
automatically reject incoming calls from callers
whose identity has been deliberately concealed. The anonymous caller’s phone LCD screen
presents “Anonymity Disallowed”. Anonymous call rejection is configurable on a per-line basis.
Example of anonymous call rejection SIP header:
SIP/2.0
433
Anonymity Disallowed
Via: SIP/2.0/UDP 10.10.20.32:5060;branch=z9hG4bK2816884590
From: "Anonymous" <sip:[email protected]>;tag=2625078618
To: <sip:[email protected]:5060>;tag=2781829106
Call-ID: [email protected]
CSeq: 1 INVITE
Allow: INVITE, INFO, PRACK, ACK, BYE, CANCEL, OPTIONS, NOTIFY, REGISTER, SUBSCRIBE, REFER, PUBLISH,
UPDATE, MESSAGE
User-Agent: Yealink SIP-T46G 28.81.0.25
Allow-Events: talk, hold, conference, refer, check-sync
Content-Length: 0
The anonymous call rejection on code and anonymous call rejection off code configured on IP
phones are used to activate/deactivate the server-side anonymous call rejection feature. They
may vary on different servers. Send Anonymous Rejection Code feature allows IP phones to
send anonymous call rejection on/off code to the server.
Procedure
Anonymous call rejection can be configured using the following methods.
Central
Provisioning
(Configuration
File)
<MAC>.cfg
Configure anonymous call rejection.
Parameters:
account.X.reject_anonymous_call
account.X.send_anonymous_rejection_code
account.X.anonymous_reject_oncode
account.X.anonymous_reject_offcode
Web User Interface
Configure anonymous call rejection.
Navigate to
:
http://<phoneIPAddress>/servlet?p=account
-basic&q=load&acc=0
Phone User Interface
Configure anonymous call rejection.
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