Specifications
Administrator’s Guide for SIP-T2xP IP Phones
76
Completion field.
3. Press the Save soft key to accept the change.
Anonymous Call
Anonymous call allows the caller to conceal the identity from the callee. 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 10.2.8.183:5063;branch=z9hG4bK1535948896
From: "Anonymous" <sip:anonymous@anonymous.invalid>;tag=128043702
To: <sip:1011@10.2.1.199>
Call-ID: 1773251036@10.2.8.183
CSeq: 1 INVITE
Contact: <sip:1012@10.2.8.183:5063>
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 SIP-T28P 2.71.0.140
Privacy: id
Supported: replaces
Allow-Events: talk,hold,conference,refer,check-sync
P-Preferred-Identity: <sip:1012@10.2.1.199>
Content-Length: 302
The anonymous call on code and anonymous call off code configured on IP phones
are used to activate/deactivate the server-side anonymous call feature. They may vary
on different servers. Anonymous Code allows IP phones to send anonymous code to
activate/deactivate the server-side anonymous call feature.
Procedure
Anonymous call can be configured using the configuration files or locally.
Configuration File
<MAC>.cfg
Configure anonymous call.
For more information, refer to
Anonymous Call on page 282.
Local
Web User Interface
Configure anonymous call.
Navigate to:
http://<phoneIPAddress>/servlet
?p=account-basic&q=load&acc
=0