Yealink SIP-T48S User Manual

User Guide for the SIP-T48S IP Phone
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If the IP phone is connected to a wireless network successfully, you can also tap Wireless
Status to view the connected wireless network information.
Managing the Saved Wireless Network
Once the IP phone has ever been connected to a wireless network successfully, the wireless
network profile will be saved in The storage network list. The next time you enable Wi-Fi
feature, the IP phone will be automatically connected to the wireless network which has the
highest priority (the top one). Up to 5 wireless network profiles can be saved in The storage
network list. If you want to add a new one when the IP phone has already saved 5 wireless network
profiles, please delete the older saved profile before adding.
To manage the saved wireless network:
1. Tap ->Basic->Wi-Fi.
2. Tap The storage network to view the saved wireless networks.

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