Yealink SIP-T54S Administrator's Manual page 561

Configuring Basic Features
Permitted
Parameters Default
Values
0-FROM
1-PAI
2-PAI-FROM
3-RPID-PAI-FROM
4-PAI-RPID-FROM
5-RPID-FROM
6-PREFERENCE
If it is set to 6 (PREFERENCE), the IP phone uses the custom priority order for the sources of
caller identity information (configured by the parameter "sip.cid_source.preference").
X ranges from 1 to 16 (for SIP-T54S/T48G/T48S/T46G/T46S/T29G)
X ranges from 1 to 12 (for SIP-T52S/T42G/T42S)
X ranges from 1 to 6 (for SIP-T41P/T41S/T27P/T27G)
X ranges from 1 to 3 (for SIP-T40P/T40G/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
X is equal to 1 (for SIP-T19(P) E2/CP860/CP920)
Web User Interface:
Account->Advanced->Caller ID Source
Phone User Interface:
None
account.X.cid_source_privacy 0 or 1 1
Description:
Enables or disables the IP phone to process Privacy header field in the SIP message for
account X.
0-Disabled
1-Enabled
If it is set to 0 (Disabled), the IP phone doesn't process Privacy header.
If it is set to 1 (Enabled), the caller identification information will be hidden and the IP
phone LCD screen presents anonymous if there is a Privacy: id in the INVITE request.
X ranges from 1 to 16 (for SIP-T54S/T48G/T48S/T46G/T46S/T29G)
X ranges from 1 to 12 (for SIP-T52S/T42G/T42S)
X ranges from 1 to 6 (for SIP-T41P/T41S/T27P/T27G)
X ranges from 1 to 3 (for SIP-T40P/T40G/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
X is equal to 1 (for SIP-T19(P) E2/CP860/CP920)
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