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Yealink SIP-T48S User Manual

Yealink SIP-T48S
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Basic Call Features
133
You can also enter the number using the on-screen keypad.
3. Press , , or tap Send.
The # key is configured as a send key by default. You can also set the * key as the send key, or
set neither. For more information, refer to the Key As Send on page 59.
You can also tap the History soft key or the Directory soft key to search for an entry or contact
after picking up the handset, and then tap the desired entry or contact to place a call.
Note
To place a call using the hands-free speakerphone mode:
Do one of the following:
- With the handset on-hook, press or tap the line key to obtain a dial tone.
Enter the desired number.
Press , or tap Send.
- With the handset on-hook, enter the desired number.
Press , , or tap Send.
To place a call using the headset:
Do one of the following:
- With the optional headset connected, press to activate the headset mode.
Tap the line key to obtain a dial tone.
Enter the desired number.
Press , , or tap Send.
You can also dial using the SIP URI or IP address. To obtain the IP address of a phone, press the
OK key when the phone is idle. The maximum SIP URI or IP address length is 32 characters. For
example, SIP URI: 3606@sip.com, IP: 192.168.1.15.
Your phone may not support direct IP dialing. Contact your system administrator for more
information.

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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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