Yealink SIP-T57W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
491
3-PRID-PAI-FROM
4-PAI-RPID-FROM
5-RPID-FROM
6-PREFERENCE, the phone uses the custom priority order for the sources of caller identity (con-
figured by the parameter “sip.cid_source.preference”).
Default
0
Web UI
Account > Advanced > Caller ID Source
Parameter
account.X.cid_source_privacy
[1]
<MAC>.cfg
Description
It enables or disables the phone to process the Privacy header field in the SIP message.
Note: The priority order: PPI > Privacy > PRID/PAI/From.
Permitted
Values
0-Disabled, the phone does not process the Privacy header.
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
[1]
<MAC>.cfg
Description
It enables or disables the phone to process the P-Preferred-Identity (PPI) header in the request mes-
sage for caller identity presentation.
Permitted
Values
0-Disabled, the phone does not process the PPI header.
1-Enabled, the phone presents the caller identity from the PPI header.
Default
0
Parameter
sip.cid_source.preference <y0000000000xx>.cfg
Description
It configures the priority order for the sources of caller identity information.
Note: Yealink 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
Values
String
Default
P-Preferred-Identity, P-Asserted-Identity, Remote-Party-ID, From
Parameter
account.X.cp_source
[1]
<MAC>.cfg
Description
It configures the identity of the callee according to the response message.
Permitted
Values
0-PAI-RPID
1-Dialed Digits
2-RFC4916, the caller sends the SIP request message which contains the from-change tag in the Sup-
ported header. The caller then receives an UPDATE message from the server and displays the iden-
tity in the “From” header.
3-PAI-RPID-Contact
4-The phone displays the identity using the custom priority order configured by “sip.cid_source.-
preference”.
Default
0

Yealink SIP-T57W Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Ethernet LAN	Yes
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Security algorithms	AES, HTTPS, MD5, SRTP
Networking standards	IEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	FTP/TFTP/HTTP/HTTPS
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
AC adapter input voltage	100 - 240 V
AC adapter output current	2 A
AC adapter output voltage	5 V
Volume control	Buttons
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Display diagonal	7 \
Display resolution	800 x 480 pixels
Front camera	No
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Voice codecs	G.722, G.723.1, G.726, G.729A, G.729B, iLBC

Weight and Dimensions

Depth	220 mm
Width	259.4 mm
Height	211 mm