Yealink SIP-T48U Administrator's Guide

Advanced Features
470
Example:
action_url.blind_transfer_call = http://192.168.0.20/help.xml?IP=$ip
Permitted
Values
URL within 511 characters
Default
Blank
Web UI
Features > Action URL > Blind Transfer
Parameter
action_url.attended_transfer_call <y0000000000xx>.cfg
Description
It configures the action URL the phone sends when performing an attended/semi-attended transfer.
Example:
action_url.attended_transfer_call = http://192.168.0.20/help.xml?IP=$ip
Permitted
Values
URL within 511 characters
Default
Blank
Web UI
Features > Action URL > Attended Transfer
Parameter
action_url.hold <y0000000000xx>.cfg
Description
It configures the action URL the phone sends when placing a call on hold.
Example:
action_url.hold = http://192.168.0.20/help.xml?IP=$ip
Permitted
Values
URL within 511 characters
Default
Blank
Web UI
Features > Action URL > Hold
Parameter
action_url.unhold <y0000000000xx>.cfg
Description
It configures the action URL the phone sends when resuming a hold call.
Example:
action_url.unhold = http://192.168.0.20/help.xml?IP=$ip
Permitted
Values
URL within 511 characters
Default
Blank
Web UI
Features > Action URL > UnHold
Parameter
action_url.held <y0000000000xx>.cfg
Description
It configures the action URL the phone sends when a call is held.
Example:
action_url.held = http://192.168.0.20/help.xml?IP=$ip
Permitted
Values
URL within 511 characters
Default
Blank
Parameter
action_url.unheld <y0000000000xx>.cfg
Description
It configures the action URL the phone sends when a held call is resumed.

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