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Yealink SIP-T48S User Manual

Yealink SIP-T48S
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Advanced Phone Features
235
Answering Calls
When the phone C dials the BLA number “14084588327”, an incoming call will arrive on the
bridged line. The phone A and phone B ring simultaneously. You can answer the incoming call
on either phone A or phone B but not both.
Do one of the following on phone A or phone B:
- Press , or tap the Answer soft key on phone A.
Phone B stops ringing. The icon indicator of the line key on the phone A become and
prompts “Talking”. At the meanwhile, the icon indicator of the line key on the phone B
become and prompts “Talking” indicating that there is an active call on the phone A.
- Press , or tap the Answer soft key on phone B.
Phone A stops ringing. The icon indicator of the line key on the phone B become and
prompts “Talking”. At the meanwhile, the icon indicator of the line key on the phone A
become and prompts “Talking” indicating that there is an active call on the phone B.
Placing a Call on Hold
To place a call on hold:
1. Press or tap the Hold soft key on phone A when party A and party C are talking.
The icon indicator of the line key on the phone A and phone B become and
prompt ”Public Hold” when the bridged line call is placed on hold.
Retrieving a Held Call
If there is a held call between phone A and phone C, you can retrieve a held call on either phone
A or phone B.
To retrieve the held call on phone A:
2. Tap , press or tap the Resume soft key on the phone A.
The conversation between phone A and phone C is retrieved.
To retrieve the held call on phone B:
1. Tap on phone B.
The conversation is established between phone B and phone C, phone A disconnects the
call.

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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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