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Yealink SIP-T48S User Manual

Yealink SIP-T48S
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Advanced Phone Features
223
Using SCA Feature on the IP Phone
This section provides you with detailed information on using the SIP-T48S IP phone in a SCA
Hybrid Key System scenario. In a SCA Hybrid Key System scenario, the status of the line key icon
which associates with a shared line will change. For more information on line key icon indicators,
refer to Line Key Icons on page 4.
You can do the following using the IP phone in a SCA Hybrid Key System scenario:
Placing calls
Answering calls
Placing a call on hold
Retrieving a held call
Barging in an active call
Call Pull
Placing Calls
You can have one call or multiple calls on the shared line.
To place a call on the shared line:
Do one of following:
- Enter the desired number using the keypad when the phone is idle. Press , , or
tap Send.
The phone will dial the entered number using the first line key.
- Tap the line key when the phone is idle to enter the dialing screen.
Enter the desired number using the keypad and then press , , or tap Send.
The phone will dial the entered number using the selected line key.
To place multiple calls on the shared line:
You can have more than one call on the shared line. To place a new call when there is an active
call on the line key 1 of phone A, do one of the following on phone A:
- Press or tap the Hold soft key. The original call is placed on hold.
Tap the New Call soft key to enter the dialing screen.
Enter the desired number using the keypad.
Press , , or tap Send.
Phone A will dial the entered number using the line key 2 automatically.
- Tap the line key. The original call is placed on hold.
Enter the desired number using the keypad.
Press , , or tap Send.

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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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