Yealink SIP-T48U Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
369
Description
It configures the type of location request message.
Note: It works only if “dialplan.emergency.enable” is set to 1 (Enabled) and “dial-
plan.emergency.asserted_id_source” is set to HELD.
Permitted
Values
SIMPLE or REDSKY
If it is set to SIMPLE, the phone will send the location request message defined in RFC5985.
If it is set to REDSKY, the phone will send the location request message defined by REDSKY.
Default
SIMPLE
Parameter
dialplan.emergency.held.request_element.X.name
[2]
<y0000000000xx>.cfg
Description
It configures the custom element name to be sent in a location request message.
Example:
dialplan.emergency.held.request_element.1.name = mac
dialplan.emergency.held.request_element.2.name = companyID
dialplan.emergency.held.request_element.3.name = nai
Note: It works only if “dialplan.emergency.enable” is set to 1 (Enabled) and “dial-
plan.emergency.asserted_id_source” is set to HELD.
Permitted
Values
String
Default
Blank
Parameter
dialplan.emergency.held.request_element.X.value
[2]
<y0000000000xx>.cfg
Description
It configures the custom element value to be sent in a location request message.
Example:
dialplan.emergency.held.request_element.1.value = 001565B38ECB
dialplan.emergency.held.request_element.2.value = 6f2f2d50-c385-4b72-b84a-ce0ca3a77cb7
dialplan.emergency.held.request_element.3.value = 8611@pbx.yealink.com
Note: It works only if “dialplan.emergency.enable” is set to 1 (Enabled) and “dial-
plan.emergency.asserted_id_source” is set to HELD.
Permitted
Values
String
Default
Blank
Parameter
account.X.reg_with_pani_header.enable
[3]
<MAC>.cfg
Description
It enables or disables the phone to carry the PANI header in the REGISTER request message.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
account.X.invite_with_pani_header.enable
[3]
<MAC>.cfg
Description
It enables or disables the phone to carry the PANI header in the INVITE request message.
The PANI header format is:
P-Access-Network-Info:IEEE-802.3; eth-location=<MAC Address Of The Phone > ; local-time-zone-
e=”0800”

Yealink SIP-T48U Specifications

General

Handset type	Wired handset
Product type	IP Phone
Product color	Gray
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Expansion module support	Yes
Ethernet LAN (RJ-45) ports	2
Display diagonal	7 \
Display resolution	800 x 480 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
Voice codecs	AGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Security algorithms	AES, HTTPS, SRTP, TLS
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Front camera	-
AC adapter input voltage	100 - 240 V
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Keypad number of keys	29
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Width	226 mm
Height	185 mm