Yealink SIP-T48S User Manual

Advanced Phone Features
189
6. (Optional.) Enter the call park retrieve code in the BLF List Retrieve Call Parked Code
field.
7. Click Confirm to accept the change.
Note
According to the response message from the server, the IP phone will automatically configure
the BLF List keys beginning from the first unused DSS key (The default order of BLF list keys
assigned automatically is Line Key->Ext Key). Once any DSS key is seized, the IP phone will skip
to configure the next DSS key.
You can receive a visual or/and an audio alert (if enabled) on your phone when the monitored
user receives an incoming call. For more information, refer to Configuring Visual and Audio Alert
for BLF pickup on page 182.
Note
Call Recording
The SIP-T48S IP phone supports local and server recording. If you insert a USB flash drive into
the USB port on your phone, you can record active calls on your phone. The recordings are
The pickup code is used in the following order of preference:
BLF List Pickup Code (Account->Advanced)>Directed Call Pickup Code
(Account->Advanced)>Directed Call Pickup Code (Features->Call Pickup
). If all of them are not
configured, taping the BLF List key will directly call the monitored user when he/she receives an
incoming call. For more information on pickup code, refer to Call Pickup on page 173.
For more information on BLF List URI/BLF List Pickup Code/BLF List Barge In Code/BLF List
Retrieve Call Parked Code, contact your system administrator.

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