Yealink SIP-T2 Series Administrator's Manual page 476

Administrator's Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
Description It configures the identity of the caller.
0-FROM
1-PAI
2-PAI-FROM
Permitted 3-PRID-PAI-FROM
Values
4-PAI-RPID-FROM
5-RPID-FROM
6-PREFERENCE, the IP phone uses the custom priority order for the sources of caller identity (configured
by the parameter "sip.cid_source.preference").
Default 0
Web UI Account->Advanced->Caller ID Source
Parameter account.X.cid_source_privacy
It enables or disables the IP phone to process the Privacy header field in the SIP message.
Description
Note: The priority order: PPI>Privacy>PRID/PAI/From
0-Disabled, the IP phone does not process Privacy header.
Permitted
Values
1-Enabled, the phone screen presents anonymity instead if there is a Privacy: id in the INVITE request.
Default 1
Parameter account.X.cid_source_ppi
It enables or disables the IP phone to process the P-Preferred-Identity (PPI) header in the request message
Description
for caller identity presentation.
0-Disabled, the IP phone does not process the P-Preferred-Identity (PPI) header.
Permitted
Values
1-Enabled, the IP phone presents the caller identity from the P-Preferred-Identity (PPI) header.
Default 0
Parameter sip.cid_source.preference
It configures the priority order for the sources of caller identity information. The headers can be in any
order.
Description
Note: Yealink IP phones can derive caller identity from the following SIP headers: From, P-Asserted-Iden-
tity (PAI), P-Preferred-Identity and Remote-Party-ID (RPID). It works only if "account.X.cid_source" is set
to 6 (PREFERENCE).
Permitted
String
Values
Default P-Preferred-Identity, P-Asserted-Identity, Remote-Party-ID, From
Parameter account.X.cp_source
Description It configures the identity of the callee according to the response message.
0-PAI-RPID
Permitted
1-Dialed Digits
Values
2-RFC4916, the caller sends the SIP request message which contains the from-change tag in the Sup-
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<MAC>.cfg
<MAC>.cfg
<y0000000000xx>.cfg
<MAC>.cfg