Yealink SIP-T48S User Manual

User Guide for the SIP-T48S IP Phone
154
3) (Optional.) Enter the always forward on code or off code respectively in the On
Code or Off Code field.
b) If you tap Busy Forward:
1) Tap the On radio box of the Busy Forward field.
2) Enter the destination number you want to forward incoming calls to when the
phone is busy in the Forward to field.
3) (Optional.) Enter the busy forward on code or off code respectively in the On
Code or Off Code field.
c) If you tap No Answer Forward:
1) Tap the On radio box of the No Answer Forward field.
2) Enter the destination number you want to forward unanswered incoming calls to
in the Forward to field.
3) Tap the gray box of the After Ring Time field, and then select the desired ring
time to wait before forwarding from the pull-down list.
The default ring time is 12 seconds.

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