Yealink SIP-T48S User Manual

Basic Call Features
149
To enable DND in phone mode:
1. Tap .
The icon appears on the status bar.
Note
To enable DND in custom mode:
1. Tap .
The touch screen displays a list of accounts registered on the phone.
2. Tap the desired account.
3. Tap the On radio box of the DND Status field.
4. (Optional.) Enter the DND on code or off code respectively in the On Code or Off Code
field.
If the on code or off code is configured, the IP phone will send the corresponding code to
activate or deactivate DND on the server. It is not available on all servers.
When DND and busy forward are enabled in phone mode, calls will be sent to the configured
destination number. For more information on busy forward, refer to Call Forward on page 152.

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