Yealink SIP-T48S User Manual

User Guide for the SIP-T48S IP Phone
168
5. Click Confirm to accept the change.
Note
To set up a network conference call:
1. Place a call to the first party.
2. Tap the Conference soft key to place a new call.
The active call is placed on hold.
3. Enter the number of the second party and then press , , or tap the Send soft key.
4. When the second party answers the call, tap the Conference soft key to add the second
party to the conference.
5. Tap the Conference soft key to place a new call.
The conference call is placed on hold.
6. Enter the number of the new party and then press , , or tap the Send soft key.
7. When the new party answers the call, tap the Conference soft key to add the new party to
the conference.
8. Repeat steps 5 to 7 until you have added all intended parties.
The procedures to set up a network conference call on specific servers may be different from
introduced above. Contact your system administrator for more information.
Call Park
You can use call park feature to place a call on hold, and then retrieve the call from another
phone in the system (for example, a phone in another office or conference room). You can park
an active call by tapping the Park soft key or pressing call park key (if configured) on the phone.
If the call is parked successfully, there is a voice prompt confirming that the call was parked. You
can retrieve the parked call by pressing the Retrieve soft key or the retrieve key (if configured).
If the parked call is not retrieved within a period of time defined by the system, the phone performing
call park will receive the call back.
Note
The IP phone supports call park feature under the following modes:
 FAC mode: park the call to the local extension or a desired extension through dialing the
park code, and retrieve the parked call from the local extension or desired extension
through dialing the park retrieve code.
 Transfer mode: park the call to shared parking lot through performing a blind transfer to
a call park number (call park code), and retrieve the parked call from the shared parking lot
through dialing the park retrieve code.
Network conference is configurable via web user interface only.
Call park is not available on all servers. Contact your system 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