Yealink SIP-T48S User Manual

User Guide for the SIP-T48S IP Phone
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between Speakerphone, Headset and Handset modes.
If you are playing back a recorded call and an incoming call arrives on your phone, the playback
will be paused and the phone rings. You can tap the Play soft key again to continue play the
recoding when ending the call.
Deleting the Recorded File
To delete a recorded file:
1. Tap ->USB->Browse Audio.
2. Tap after the desired recording you want to delete.
The LCD screen prompts the following warning:
3. Tap OK to confirm the deletion or Cancel to cancel.
Viewing the Storage Space
You can view the storage space (e.g., total space, used space, free space) of the USB flash drive
on the phone.

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