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Yealink SIP-T48S User Manual

Yealink SIP-T48S
263 pages
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Basic Call Features
135
Answering When Not in Another Call
Call duration and destination will always appear on the touch screen for the active call.
To answer a call using the handset:
1. Pick up the handset.
To answer a call using the hands-free speakerphone mode:
Do one of the following:
- Press .
- With the handset on-hook and the headset mode deactivated, tap the Answer soft key.
- With the handset on-hook and the headset mode deactivated, tap the line key with the
illuminating solid green icon indicator.
To answer a call using the headset:
Do one of the following:
- Press .
- With the headset mode activated, tap the Answer soft key.
- With the headset mode activated, tap the line key with the illuminating solid green icon
indicator.
Answering When in Another Call
If you have an active call, and an incoming call arrives on the phone. The incoming call
information is displayed on the touch screen.
1. Press or tap the Answer soft key.
The incoming call is answered and the original call is placed on hold.

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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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