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Yealink SIP-T48S User Manual

Yealink SIP-T48S
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Customizing Your Phone
113
Usage: Tap the Conference key during an active call to set up a conference with the number
specified in the Value field.
Note
Forward
You can use this key feature to forward an incoming call to someone else. For more information,
refer to Call Forward on page 152.
Dependencies:
Type (Key Event)
Key Type (Forward)
Label (key label displayed on the touch screen)
Value (the number you want to forward to)
Usage: Tap the Forward key to forward an incoming call to the number specified in the Value
field.
Note
Transfer
When there is an active call on the phone, you can use this key feature to handle the call
differently depending on the transfer mode assigned to the DSS key.
Dependencies:
Type (Key Event)
Key Type (Transfer)
Label (key label displayed on the touch screen)
Value (the number you want to transfer to)
Usage:
When the transfer mode on DSS key is Blind Transfer, tap the Transfer key to complete
the blind transfer to the number specified in the Value field.
When the transfer mode on DSS key is Attended Transfer, tap the Transfer key to dial
out the number specified in the Value field, and then perform the attended or
semi-attended transfer.
When the transfer mode on DSS key is New Call, tap the Transfer key to place a new call
to the number specified in the Value field.
Note
Transfer mode via DSS key is configurable via web user interface at the path
Features->Transfer->Transfer Mode via Dsskey.
If the Value field is left blank, the Transfer key performs the same as the TRANSFER key or the
Transfer soft key during a call. For more information, refer to Call Transfer on page 162.
If the Value field is left blank, the Forward key performs the same as Forward when receiving
an incoming call.
If the Value field is left blank, the Conference key performs the same as the Conference soft
key during a 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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