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Yealink SIP-T48S User Manual

Yealink SIP-T48S
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Customizing Your Phone
115
Zero Touch
You can use this key feature to quickly configure auto provision and network parameters.
Dependencies:
Type (Key Event)
Key Type (Zero Touch)
Label (key label displayed on the touch screen)
Usage:
1. Tap the Zero Touch key to access the zero touch screen.
2. Tap the OK soft key within a few seconds.
3. Configure the network parameters in the corresponding fields.
4. Tap the Next soft key.
5. Configure the auto provision parameters in the corresponding fields.
6. Tap the Next soft key.
The phone will reboot to update configurations.
URL
You can use this key feature to trigger the phone to send an HTTP GET request containing a
specific URL.
Dependencies:
Type (URL)
Label (key label displayed on the touch screen)
URL (the URL contained in the HTTP GET request)
Usage: Tap the URL key to trigger the phone to send an HTTP GET request containing the URL
specified in the URL field.
Phone Lock
You can use this key feature to immediately lock your phone instead of long pressing . For
more information, refer to Phone Lock on page 59.
Dependencies:
Type (Key Event)
Key Type (Phone Lock)
Label (key label displayed on the touch screen)
Usage: When the Phone Lock feature is enabled, tap the Phone Lock key to immediately lock
your phone instead of long pressing .
Retrieve
You can use this key feature to retrieve a parked call.
Dependencies:
Type (Retrieve)
Account ID (the account this feature will be applied to)
Label (key label displayed on the LCD screen)
Value (the park retrieve code)
Usage: Tap the Retrieve key on your phone to retrieve a parked call.

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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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