Yealink SIP-T48S User Manual

Customizing Your Phone
99
To enable dual headset via web user interface:
1. Click on Features->General Information.
2. Select Enabled from the pull-down list of Dual Headset.
3. Click Confirm to accept the change.
Note
Bluetooth Headset
The SIP-T48S IP phone supports Bluetooth. Bluetooth enables low-bandwidth wireless
connections within a range of 10 meters (32 feet). The best performance is in the 1 to 2 meter (3
to 6 feet) range.
You can activate/deactivate the Bluetooth mode on the phone, and then pair and connect the
Bluetooth headset with your phone. You can pair up to 30 Bluetooth headsets with your phone.
However, only one headset can be connected at a time. You can also disconnect and delete your
Bluetooth headset from the phone.
Note
Dual headset is configurable via web user interface only.
Ensure that the Bluetooth USB dongle BT40 is properly connected to the USB port at the back of
the IP phone. For more information, refer to Phone Installation on page 18.

Yealink SIP-T48S Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Keypad illumination	Yes
Display diagonal	7 \
Display resolution	800 x 480 pixels
AC adapter input voltage	100 - 240 V
AC adapter output current	2 A
AC adapter output voltage	5 V
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Front camera	No
Voice codecs	CNG, G.711Mu, G.711a, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Lines quantity	16 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
Keypad number of keys	42
Security algorithms	AES
Networking standards	IEEE 802.3af
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	SIP 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 included	LAN (RJ-45)
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	225 mm
Width	266 mm
Height	185 mm
Package depth	263 mm
Package width	324 mm
Package height	128 mm