Yealink SIP-T53W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
367
Values
T53W/T53/T43U/T42U/T42S/T42G: Integer from 1 to 12;
T41P/T41S/T27G: Integer from 1 to 6;
T40P/T40G/T23P/T23G: Integer from 1 to 3;
T21(P) E2: Integer from 1 to 2;
T19(P) E2/CP920: 1.
Default
1
Parameter
dialplan.emergency.custom_asserted_id <y0000000000xx>.cfg
Description
It configures the custom outbound identity when placing an emergency call.
Note: It works only if “dialplan.emergency.enable” is set to 1 (Enabled) and “dial-
plan.emergency.asserted_id_source” is not set to HELD.
Permitted
Values
A number with 10 to 25 digits - for example, 1234567890. The SIP URI constructed from the number
and SIP server (for example, abc.com) is included in the P-Asserted-Identity (PAI) header (for
example, <sip:1234567890@abc.com > ).
SIP URI - for example, sip:1234567890123@abc.com. The full URI is included in the P-Asserted-Iden-
tity (PAI) header and the address will be replaced by the emergency server (for example,
<sip:1234567890123@emergency.com > ).
TEL URI - for example, tel:+16045558000. The full URI is included in the P-Asserted-Identity (PAI)
header (for example, <tel:+16045558000 > ).
Default
Blank
Parameter
dialplan.emergency.server.X.address
[1]
<y0000000000xx>.cfg
Description
It configures the IP address or domain name of the emergency server X to be used for routing calls.
Note: If the account information has been configured (no matter whether the account registration suc-
ceeds or fails), the emergency calls will be dialed using the following priority: SIP server > emergency
server; if not, the emergency server will be used. It works only if “dialplan.emergency.enable” is set to
1 (Enabled) and “dialplan.emergency.asserted_id_source” is not set to HELD.
Permitted
Values
IP address or domain name
Default
Blank
Parameter
dialplan.emergency.server.X.port
[1]
<y0000000000xx>.cfg
Description
It configures the port of emergency server X to be used for routing calls.
Note: It works only if “dialplan.emergency.enable” is set to 1 (Enabled) and “dial-
plan.emergency.asserted_id_source” is not set to HELD.
Permitted
Values
Integer from 0 to 65535
Default
5060
Parameter
dialplan.emergency.server.X.transport_type
[1]
<y0000000000xx>.cfg
Description
It configures the transport protocol the phones use to communicate with the emergency server X.
Note: It works only if “dialplan.emergency.enable” is set to 1 (Enabled) and “dial-
plan.emergency.asserted_id_source” is not set to HELD.
Permitted
Values
0-UDP
1-TCP
2-TLS

Yealink SIP-T53W Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP mobile phone
Product color	Gray
Keypad illumination	Yes
Wi-Fi standards	802.11a, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	4.2
Security algorithms	AES, HTTPS, SIPS
Networking standards	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	8 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	12
AC adapter input voltage	100 - 240 V
AC adapter output current	1.2 A
AC adapter output voltage	5 V
Power consumption (typical)	2.3 W
Volume control	Buttons
Number of programmable keys	8
Storage temperature (T-T)	-30 - 70 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Display diagonal	3.7 \
Display resolution	360 x 160 pixels
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Number of DECT wireless handsets	4
Voice codecs	G.722, G.723.1, G.726, G.729A, G.729B, OPUS, iLBC

Weight and Dimensions

Depth	210.6 mm
Width	212 mm
Height	174.5 mm