Yealink SIP-T48U Configuration Guide

You will have to wait some time for the device to save changes.
Click the Auto Provision button to run the Auto provisioning process, after which you will be
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asked to confirm the action. To continue, click the OK button.
The Auto provisioning process will start during the phone's reboot process, The phone will
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pick up an appropriate configuration file from PBXware. If everything is done as described
above, you should have successfully registered your phone to PBXware.
Dial *123 to verify registration.
Configure BLF
This section describes how to configure BLF (Busy Lamp Field) for Yealink T48U.
The following topics are covered:
- Extension Settings
- Phone Settings
Extension Settings
Log in to the PBXware's web administration interface
Open a new browser window and enter the IP address in order to access the PBXware's web
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administration login page. Example: http://192.168.1.10.
Log in to PBXware with your e-mail address and password.
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Edit Extension.
On the Extensions page, click the Edit icon corresponding to your Extension.
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Click the Advanced Options button.
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Navigate down to the Auto Provisioning and Presence group of settings.
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Make sure that Auto Provisioning is set to Yes.
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Make sure that Presence is set to "Yes".
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Click the Save button in order to save changes.
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Click the Enhanced services.
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Click the Directory / BLF List check box and click the Save button in order to enable this
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feature.
Click the Directory / BLF List Edit button.
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Enter the user's Extension number and click the BLF check box.
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Click the Save button.
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Yealink SIP-T48U Specifications

General

Handset type	Wired handset
Product type	IP Phone
Product color	Gray
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Expansion module support	Yes
Ethernet LAN (RJ-45) ports	2
Display diagonal	7 \
Display resolution	800 x 480 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
Voice codecs	AGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Security algorithms	AES, HTTPS, SRTP, TLS
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Front camera	-
AC adapter input voltage	100 - 240 V
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Keypad number of keys	29
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Width	226 mm
Height	185 mm