Yealink SIP-T48S User Manual

Advanced Phone Features
195
To browse the recorded files:
1. Tap ->USB->Browse Audio.
The touch screen shows all recorded audio files in the Browse Audio list. The filename
consists of the recording time & date, the other party’s number/IP address/name (or the
first person’s number/IP address/name you called).
2. Drag to scroll through the recorded files if required.
3. Tap the desired audio or to play.
The touch screen shows the recording duration and the size of the recorded file.
During the recording playback, you can do the following:
- Tap to pause the playback. Then appears on the touch screen
Tap to continue the playback.
- Drag the slider to skip forward the playback or rewind the playback.
- Press to adjust the volume of audio output.
- Tap to stop the playback.
- Press the Speakerphone key, the HEADSET key, or by picking up the handset to alternate

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