Yealink SIP-T4U Series

Appendix
563
l draft-anil-sipping-bla-03.txt—Implementing Bridged Line Appearances (BLA) Using Session Initiation Protocol
(SIP)
l draft-ietf-sip-privacy-00.txt—SIP Extensions for Caller Identity and Privacy, November
l draft-ietf-sip-privacy-04.txt—SIP Extensions for Network-Asserted Caller Identity and Privacy within Trusted Net-
works
l draft-levy -sip-diversion-08.txt—Diversion Indication in SIP
l draft-ietf-sipping-cc-conferencing-03.txt—SIP Call Control - Conferencing for User Agents
l draft-ietf-sipping-cc-conferencing-05.txt—Connection Reuse in the Session Initiation Protocol (SIP)
l draft-ietf-sipping-rtcp-summary-02.txt—Session Initiation Protocol Package for Voice Quality Reporting Event
l draft-ietf-sip-connect-reuse-06.txt—Connection Reuse in the Session Initiation Protocol (SIP)
l draft-ietf-bliss-shared-appearances-15.txt—Shared Appearances of a Session Initiation Protocol (SIP) Address
of Record (AOR)
To find the applicable Request for Comments (RFC) document, go to http://www.ietf.org/rfc.html and enter the RFC
number.
Reading Icons
T57W T54W
T48U/S/-
G
T46U/S/-
G
T42-
U/
T42-
S/
T41S
T42-
G/
T41-
P
T40P/-
G
T29G
T53W/T-
53
/T43U
/T27G
CP92-
0
T23P/T23-
G/
T21(P) E2
T19
(P)
E2
Description
Wired network is
unavailable
(T48U/-
S)
(T46U/-
S)
/ / /
Wired network is
unreachable
Private line
registers suc-
cessfully
(
for
T42-
U)
Registration
failed
(Flash-
ing)
(Flash-
ing)
Registering
/ / / / / / / / / / /
Yealink Cloud
account registers
successfully
Hands-free
(speakerphone)
mode
/ Handset mode
/ Headset mode
Voice Mail
/ / Text Message