Yealink SIP-T2 SERIES Administrator's Manual page 472

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
the caller identification derived from the FROM header.
1) The IP phone checks Privacy: id header preferentially, if there is a Privacy: id in the
INVITE request, the caller identification information will be hidden and the IP phone
LCD screen presents anonymous.
2) If there is not any Privacy: id header in the INVITE request, the IP phone checks and
presents the caller identification from the P-Preferred-Identity header.
3) If there is not P-Preferred-Identity header in the INVITE request, the IP phone checks
and presents the caller identification from the Remote-Party-ID header.
4) If there is not Remote-Party-ID header in the INVITE request, the IP phone checks
and presents the caller identification from the P-Asserted-Identity header.
5) If there is not P-Asserted-Identity in the INVITE request, the IP phone presents the
caller identification derived from the FROM header.
For more information on calling line identification presentation, refer to
Connected Line Identification Presentation on Yealink IP
Procedure
CLIP can be configured using the configuration files or locally.
Configuration File
Local
450
<MAC>.cfg
Web User Interface
Calling and
Phones.
Configure the presentation of
the caller identity.
Parameter:
account.X.cid_source
Specify whether to process
Privacy header field.
Parameter:
account.X.cid_source_privacy
Specify whether to process the
P-Preferred-Identity (PPI)
header for caller identity
presentation.
Parameter:
account.X.cid_source_ppi
Configure the presentation of
the caller identity.
Navigate to:
For
SIP-T48G/T46G/T42G/T41P/T40P/T