Yealink SIP-T2 SERIES Administrator's Manual page 468

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
The following sessions show the enhancements of calling line identification presentation
according to the calling line identification source configured on the IP phones.
Caller ID source = FROM
The IP phone checks Privacy: id header preferentially, if there is a Privacy: id in the INVITE
1)
request, the calling line identification information will be hidden and the IP phone LCD
screen presents anonymous.
If there is not any Privacy: id header in the INVITE request, the IP phone checks and
2)
presents the caller identification from the P-Preferred-Identity header.
If there is not P-Preferred-Identity header in the INVITE request, the IP phone presents the
3)
caller identification derived from the FROM header.
Caller ID source = PAI
The IP phone checks Privacy: id header preferentially, if there is a Privacy: id in the INVITE
1)
request, the caller identification information will be hidden and the IP phone LCD screen
presents anonymous.
If there is not any Privacy: id header in the INVITE request, the IP phone checks and
2)
presents the caller identification from the P-Preferred-Identity header.
If there is not P-Preferred-Identity header in the INVITE request, the IP phone checks and
3)
presents the caller identification from the P-Asserted-Identity header.
Caller ID source = PAI-FROM
The IP phone checks Privacy: id header preferentially, if there is a Privacy: id in the INVITE
1)
request, the caller identification information will be hidden and the IP phone LCD screen
presents anonymous.
If there is not any Privacy: id header in the INVITE request, the IP phone checks and
2)
presents the caller identification from the P-Preferred-Identity header.
If there is not P-Preferred-Identity header in the INVITE request, the IP phone checks and
3)
presents the caller identification from the P-Asserted-Identity header.
If there is not P-Asserted-Identity header in the INVITE request, the IP phone presents the
4)
caller identification derived from the FROM header.
Caller ID source = RPID-FROM
The IP phone checks Privacy: id header preferentially, if there is a Privacy: id in the INVITE
1)
request, the caller identification information will be hidden and the IP phone LCD screen
presents anonymous.
If there is not any Privacy: id header in the INVITE request, the IP phone checks and
2)
presents the caller identification from the P-Preferred-Identity header.
If there is not P-Preferred-Identity header in the INVITE request, the IP phone checks and
3)
presents the caller identification from the Remote-Party-ID header.
If there is not Remote-Party-ID header in the INVITE request, the IP phone presents the
4)
caller identification derived from the FROM header.
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