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Yealink SIP-T48S User Manual

Yealink SIP-T48S
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User Guide for the SIP-T48S IP Phone
38
To operate your phone, follow these tips:
If you want to
Action
Enter the main menu.
Tap .
Return to the idle screen.
Tap .
Go back to the previous menu.
Tap or press .
Select an item.
Tap the item.
Scroll to the item by pressing or .
Scroll through items page by page.
Tap or .
(If you are in the call history, local directory,
language configuration screen or ring tones
configuration screen, you can also press
or .)
Scroll through values for a field.
Tap the field’s highlighted gray box. From the
pull-down list, tap or to scroll through
values page by page, or press or to scroll
values one by one.
Select a value for a field.
From the pull-down list, tap the value or scroll to
the value and then press .
Entering Data and Editing Fields
You can enter data and edit fields using the phone keypad.
Keypad on the phone provides different characters (or numbers) when using the 2aB, abc, Abc,
ABC or 123 input mode. You can change the following input modes to enter data and edit fields
on your phone. When your phone keypad matches the input mode, you can press the keypad
repeatedly to view the character (or number) options and stop to select. When the character (or
number) you want to enter displays in the field, wait one second, and enter the next character
(or number).
The following table lists the input modes and character (or number) options for the keypad:
Input Mode
Keypad
2aB
abc
Abc
(initials in
capitals)
ABC
123
1
1
2abcABC
abc2äæåàá
âãç
abc2äæåàá
âãç
ABC2ÄÆÅ
ÀÁÂÃÇ
2

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Yealink SIP-T48S Specifications

General IconGeneral
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorBlack
Keypad illuminationYes
Display diagonal7 \
Display resolution800 x 480 pixels
AC adapter input voltage100 - 240 V
AC adapter output current2 A
AC adapter output voltage5 V
USB 2.0 ports quantity1
Ethernet LAN (RJ-45) ports2
Front cameraNo
Voice codecsCNG, G.711Mu, G.711a, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Lines quantity16 lines
Phonebook capacity1000 entries
Number of VoIP accounts16
Dual-Tone Multi-Frequency (DTMF) modesIn-band, Out-of band, SIP info
Keypad number of keys42
Security algorithmsAES
Networking standardsIEEE 802.3af
Ethernet LAN data rates10, 100, 1000 Mbit/s
Ethernet LAN interface typeGigabit Ethernet
Supported network protocolsSIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, HTTPS
Operating temperature (T-T)-10 - 50 °C
Operating relative humidity (H-H)10 - 95 %
Cables includedLAN (RJ-45)
Number of handles included1 pc(s)
Harmonized System (HS) code85171800
Weight and Dimensions IconWeight and Dimensions
Depth225 mm
Width266 mm
Height185 mm
Package depth263 mm
Package width324 mm
Package height128 mm

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