Yealink SIP-T48S User Manual

User Guide for the SIP-T48S IP Phone
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Push Button Configuration (PBC)
To connect to the wireless network using PBC method:
1. Tap ->Basic->Wi-Fi.
2. Tap the On radio box of the Wi-Fi field.
The IP phone scans the available wireless networks in your area.
3. Tap the WPS soft key.
The touch screen prompts “WPS has opened, please connect in 120s.”.
4. Long press the WPS key on your gateway/router.
Once WPS setup has completed successfully, the touch screen will prompt “Connect
Success.”.
Personal Identification Number (PIN)
To connect to the wireless network using PIN method:
1. Tap ->Basic->Wi-Fi.
2. Tap the On radio box of the Wi-Fi field.
The IP phone scans the available wireless networks in your area.
3. Tap the WPS-PIN soft key.
The touch screen pops up a prompt containing a randomly generated PIN.
4. Tap OK.
The touch screen prompts “Please input below PIN code on your Wi-Fi router and press OK
to start connecting: xxx”.
5. Log into your gateway/router’s web interface, and configure it to search the clients. For
more information, refer to the documentation from the gateway/router manufacturer.
Once WPS-PIN setup has completed successfully, the gateway/router’s web interface will
prompt success.
Note
Manually Add a Wireless Network
If your gateway/router has SSID broadcast disabled, it might not appear in the scanning results.
In that case, you must manually add a wireless network.
To add a wireless network:
1. Tap ->Basic->Wi-Fi.
2. Tap the On radio box of the Wi-Fi field.
The IP phone scans the available wireless networks in your area.
3. Tap the Add soft key.
Contact your gateway/router provider for more information.

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