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Yealink SIP-T48S User Manual

Yealink SIP-T48S
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User Guide for the SIP-T48S IP Phone
234
Using BLA Feature on the IP Phone
This section provides you with detailed information on using the SIP-T48S IP phone in a BLA
scenario. In a BLA scenario, the status of the line key icon which associates with a bridged line
will change. For more information on line key icon indicators, refer to Icon indicator (associated
with a bridged line) on page 9.
You can do the following using the IP phone in a BLA scenario:
Placing calls
Answering calls
Place a call on hold
Retrieving a held call
Placing Calls
You can have one call or multiple calls on the bridged line.
To place a call on the bridged 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.
- 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.
To place multiple calls on the bridged line:
You can have more than one call on the bridged line. To place a new call when there is an active
call on phone A, do one of the following on the 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.
- Tap the line key. The original call is placed on hold.
Enter the desired number using the keypad.
Press , , or tap Send.
Phone A will dial the entered number.

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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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