Yealink SIP-T48S User Manual

Basic Call Features
165
If on code or off code is configured, the IP phone will send the corresponding code to
activate or deactivate call waiting on the server. It is not available on all servers.
5. Tap the Save soft key to accept the change or to cancel
Call waiting is configurable via web user interface at the path Features->General Information.
Note
Conference
You can use the SIP-T48S IP phone to create a conference with other two parties using the
phone’s local conference or create a conference with multiple participants which is called
network conference.
Note
Local Conference
The SIP-T48S IP phone supports up to 3 parties (including yourself) in a conference call. This is
the default method of conference called Local Conference. You can create a conference
between an active call and a call on hold at any time by tapping the Conference soft key.
Note
To set up a local conference call:
1. Place a call to the first party.
Network conference is not available on all servers. For more information, contact your system
administrator.
To set up a local conference call, make sure local conference feature is enabled. For more
information, contact your system administrator.
If on code or off code is not configured, the call waiting may not take effect. It depends on your
server. Contact your server administrator for more information.

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