Yealink SIP-T48U Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
407
Web UI
Features > Forward&DND > Forward > AccountX > No Answer Forward > After Ring Time(0~120s)
Phone UI
Menu > Features > Call Forward > AccountX > No Answer Forward > After Ring Time
Parameter
account.X.timeout_fwd.on_code
[1]
<MAC>.cfg
Description
It configures the no answer forward on code to activate the server-side no answer forward feature.
The phone will send the no answer forward on code and the pre-configured destination number (con-
figured by the parameter “account.X.timeout_fwd.target”) to the server when you activate no answer
forward feature on the phone.
Note: It works only if “features.fwd.allow” is set to 1 (Enabled) and “features.fwd_mode” is set to 1
(Custom).
Permitted
Values
String within 32 characters
Default
Blank
Supported
Devices
All phones except T19(P) E2 and CP920
Web UI
Features > Forward&DND > Forward > AccountX > No Answer Forward > On Code
Phone UI
Menu > Features > Call Forward > AccountX > No Answer Forward > On Code
Parameter
account.X.timeout_fwd.off_code
[1]
<MAC>.cfg
Description
It configures the no answer forward off code to deactivate the server-side no answer forward feature.
The phone will send the no answer forward off code to the server when you deactivate no answer for-
ward feature on the phone.
Note: It works only if “features.fwd.allow” is set to 1 (Enabled) and “features.fwd_mode” is set to 1
(Custom).
Permitted
Values
String within 32 characters
Default
Blank
Supported
Devices
All phones except T19(P) E2 and CP920
Web UI
Features > Forward&DND > Forward > AccountX > No Answer Forward > Off Code
Phone UI
Menu > Features > Call Forward > AccountX > No Answer Forward > Off Code
[1]
X is the account ID. For T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G, X=1-16; for
T53W/T53/T43U/T42U/T42G/T42S, X=1-12; for T41P/T41S/T27G, X=1-6; for T40P/T40G/T23P/T23G, X=1-3; for T21
(P) E2, X=1-2.
Call Forward Synchronization for Server-side Configuration
Call forward synchronization feature provides the capability to synchronize the status of the call forward features
between the IP phone and the server.
If the call forward is activated in phone mode, the forward status changing locally will be synchronized to all
registered accounts on the server; but if the forward status of the specific account is changed on the server, the for-
ward status locally will be changed.
The following table lists the parameters you can use to configure call forward synchronization for server-side.
Parameter
features.feature_key_sync.enable <y0000000000xx>.cfg

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