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Yealink SIP-T48S User Manual

Yealink SIP-T48S
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Getting Started
33
3. Tap .
4. Do one of the following:
- To edit the wireless network profile:
1) Tap Edit.
2) Edit the desired wireless network information.
3) Tap the Save soft key.
- To change the priority of the wireless network:
1) Tap Move Up or Move Down to improve or lower the priority of the wireless
network that the IP phone automatically connects to.
- To delete the saved wireless network profile:
1) Tap Delete.
If you delete your wireless network profile from your phone, you need to
manually connect to it next time.
Disconnecting the Wireless Network Connection
To disconnect wireless network via phone user interface:
1. Tap ->Basic->Wi-Fi.
2. Do one of the following:
- Tap the connected wireless network.
- Tap after the connected wireless network.
Tap Disconnect.
- Tap The storage network.
Tap the connected wireless network.
The wireless network is disconnected. To connect it to your IP phone again, tap the

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Yealink SIP-T48S Specifications

General IconGeneral
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorBlack
Keypad illuminationYes
Display diagonal7 \
Display resolution800 x 480 pixels
AC adapter input voltage100 - 240 V
AC adapter output current2 A
AC adapter output voltage5 V
USB 2.0 ports quantity1
Ethernet LAN (RJ-45) ports2
Front cameraNo
Voice codecsCNG, G.711Mu, G.711a, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Lines quantity16 lines
Phonebook capacity1000 entries
Number of VoIP accounts16
Dual-Tone Multi-Frequency (DTMF) modesIn-band, Out-of band, SIP info
Keypad number of keys42
Security algorithmsAES
Networking standardsIEEE 802.3af
Ethernet LAN data rates10, 100, 1000 Mbit/s
Ethernet LAN interface typeGigabit Ethernet
Supported network protocolsSIP 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 includedLAN (RJ-45)
Number of handles included1 pc(s)
Harmonized System (HS) code85171800
Weight and Dimensions IconWeight and Dimensions
Depth225 mm
Width266 mm
Height185 mm
Package depth263 mm
Package width324 mm
Package height128 mm

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