Configuring Basic Features
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Anonymous Call
Anonymous call allows the caller to conceal the identity information displayed on the callee’s
screen. The callee’s phone LCD screen prompts an incoming call from anonymity. Anonymous
call is configurable on a per-line basis.
Example of anonymous SIP header:
Via: SIP/2.0/UDP 10.3.20.14:5060;branch=z9hG4bK3074920774
From: "Anonymous" <sip:anonymous@anonymous.invalid>;tag=131654239
To: <sip:1006@10.2.1.48:5060>
Call-ID: 0_288363101@10.3.20.14
CSeq: 1 INVITE
Contact: <sip:1009@10.3.20.14:5060>
Content-Type: application/sdp
Allow: INVITE, INFO, PRACK, ACK, BYE, CANCEL, OPTIONS, NOTIFY, REGISTER, SUBSCRIBE, REFER, PUBLISH,
UPDATE, MESSAGE
Max-Forwards: 70
User-Agent: Yealink W60B 77.81.0.10
Allow-Events: talk,hold,conference,refer,check-sync
P-Preferred-Identity: <sip:1009@10.2.1.48>
Privacy: id
Content-Length: 302
The anonymous call on code and anonymous call off code configured on DECT IP phones are
used to activate/deactivate the server-side anonymous call feature. They may vary on different
servers. Send Anonymous Code feature allows DECT IP phones to send anonymous on/off code
to the server.
Procedure
Anonymous call can be configured using the following methods.
Configure anonymous call.
Parameters:
features.provision_anonymous_call_on_g
ui.enable
account.X.anonymous_call
account.X.send_anonymous_code
account.X.anonymous_call_oncode
account.X.anonymous_call_offcode