Yealink SIP-T48U Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
463
Event
Description
Register Failed When the IP phone fails to register an account.
Off Hook When the IP phone is off hook.
On Hook When the IP phone is on hook.
Incoming Call When the IP phone receives an incoming call.
Outgoing Call When the IP phone places a call.
Established When the IP phone establishes a call.
Terminated When the IP phone terminates a call.
Open DND
When the IP phone enables the DND mode.
Note: When the DND mode is Phone, the phone sends the action URL for all accounts;
when the DND mode is Custom, the phone only sends the action URL for the cor-
responding account.
Close DND
When the IP phone disables the DND mode.
Note: When the DND mode is Phone, the phone sends the action URL for all accounts;
when the DND mode is Custom, the phone only sends the action URL for the cor-
responding account.
Open Always Forward
When the IP phone enables the always forward.
Note: When the forward mode is Phone, the phone sends the action URL for all accounts;
when the forward mode is Custom, the phone only sends the action URL for the cor-
responding account.
Close Always Forward
When the IP phone disables the always forward.
Note: When the forward mode is Phone, the phone sends the action URL for all accounts;
when the forward mode is Custom, the phone only sends the action URL for the cor-
responding account.
Open Busy Forward
When the IP phone enables the busy forward.
Note: When the forward mode is Phone, the phone sends the action URL for all accounts;
when the forward mode is Custom, the phone only sends the action URL for the cor-
responding account.
Close Busy Forward
When the IP phone disables the busy forward.
Note: When the forward mode is Phone, the phone sends the action URL for all accounts;
when the forward mode is Custom, the phone only sends the action URL for the cor-
responding account.
Open NoAnswer For-
ward
When the IP phone enables the no answer forward.
Note: When the forward mode is Phone, the phone sends the action URL for all accounts;
when the forward mode is Custom, the phone only sends the action URL for the cor-
responding account.
Close NoAnswer For-
ward
When the IP phone disables the no answer forward.
Note: When the forward mode is Phone, the phone sends the action URL for all accounts;
when the forward mode is Custom, the phone only sends the action URL for the cor-
responding account.
Transfer Call When the IP phone transfers a call.
Blind Transfer When the IP phone performs the blind transfer.

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