Yealink SIP-T48U Configuration Guide

This section describes how to use a DNS SRV record which specifies the location of PBXware.
NOTE: Your DNS Server needs to be configured correctly for this to work. Bicom Systems can
provide service to set up this for you.
Check if the DNS SRV is enabled in your PBXware
Contact your PBXware administrator to find out if the DNS SRV is enabled in your PBXware,
■
or if you have access to PBXware. You can also check this on your own.
Open a new browser window and enter the IP address in order to access the PBXware's web
■
administration login screen. Example: http://192.168.1.10.
Log in to PBXware with your e-mail address and password.
■
Navigate to Settings ---> Servers. Click the server corresponding with the Edit button.
■
NOTE: On MT, navigate to Settings ---> Tenants ---> Master Tenant.
In Auto Provisioning group, make sure that Use DNS SRV when possible: is set to Yes. If
■
it is set to No or N/A, set to Yes and click the Save button. NOTE: You must re-save all your
Extensions configured for Auto Provisioning.
Log in to the phone's web administration interface
If there is no DHCP in your network, you can still auto provision your Yealink phone. Please
refer to your Yealink phone model User Guide for instructions about setting the static IP
address. After you configure your Yealink phone to use a static IP address, continue with the
following steps.
Open a new browser window and enter your phone IP address in order to access the phone's
■
web administration interface login screen. Example: http://192.168.1.22
Log in to the phone's web administration interface with your username and password. Please
■
note that the factory default login details are as follows: username is admin and password is
admin.
Click the Upgrade tab.
■
Click the Advanced tab.
■
URL
■
In the URL field, enter the Hostname.
- Example for of a Hostname: bicomsystems.com
Make sure that you replace the Hostname from this example with your PBXware Hostname.
■
Make sure that DNS server is configured to automatically route registration request to
■
PBXware which is actually under another domain name. Example: newbicomsystems.com.
Check New Config
■
Select Power on + Repeatedly.
Click the Confirm button.
■

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