Yealink SIP-T48U Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
326
Values 1-Enter the Add Contact screen
Default
0
Supported
Devices
All phones except T19(P) E2 and CP920
Parameter
phone_setting.favorite_sequence_type <y0000000000xx>.cfg
Description
It configures the order of Speed Dial (Favorite) keys to be assigned automatically.
Note: It works only if “local_contact.favorite.enable” is set to 1 (Enabled). To assign Ext key, make
sure the expansion module has been connected to the phone in advance.
Permitted
Values
0 - linekey > exp1 key > … > expN key
1 - exp1 key > … > expN key > linekey
2 - linekey page1 > page1 from exp1 to expN > page2 from exp1 to expN > … > linekey from page2 to
page3
3-page1 from exp1 to expN > page2 from exp1 to expN > … > linekey
Note: N is the number of your connected expansion modules.
Default
0
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T48G, T46U, T46S, T46G, T43U, T29G, T27G
Google Contacts
Google contact is a phone book that is stored on the Google Contact Server. You can sign in to the Google Contact
Server on your phone, and then the phone can establish a connection with the Google Contact Server and down-
load the phone book. As a result, Google contacts appear in the phone directory.
It is not applicable to T48G/T46G/T42G/T41P/T29G phones.
Topics
Google Contacts Configuration
Signing in to the Google Contact Server
Google Contacts Configuration
The following table lists the parameter that the phone can use to connect to the Google Contact Server.
Parameter
google_contact_server.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to connect to the Google Contact Server.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
All phones except T48G, T46G, T42G, T41P and T29G
Web UI
T57W/T54W/T53W/T53/T48U/T46U/T43U/T42U:
Directory > Google Contacts > Google Contacts
Other Phones:

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