Yealink SIP-T48U Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
357
Parameter
dialplan.block_out.number.X
[1]
<y0000000000xx>.cfg
Description
It configures the block out numbers.
Example:
dialplan.block_out.number.1 = 4321
When you dial the number “4321” on your phone, the dialing will fail and the phone screen will
prompt "Forbidden Number".
Note: It works only if “dialplan.digitmap.enable” and “account.X.dialplan.digitmap.enable” are set to 0
(Disabled).
Permitted
Values
String within 32 characters
Default
Blank
Web UI
Settings > Dial Plan > Block Out > BlockOut NumberX
[1]
Parameter
dialplan.block_out.line_id.X
[1]
<y0000000000xx>.cfg
Description
It configures the desired line to apply the block out rule. The digit 0 stands for all lines. If it is left blank,
the block out rule will apply to all lines on the IP phone.
Note: Multiple line IDs are separated by commas. It works only if “dialplan.digitmap.enable” and
“account.X.dialplan.digitmap.enable” are set to 0 (Disabled).
Permitted
Values
0 to 16 (for T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G)
0 to 12 (for T53W/T53/T43U/T42U/T42S/T42G)
0 to 6 (for T41P/T41S/T27G)
0 to 3 (for T40P/T40G/T23P/T23G)
0 to 2 (for T21(P) E2)
0, 1 (for CP920)
Default
Blank
Supported
Devices
All phones except T19(P) E2
Web UI
Settings > Dial Plan > Block Out > Account
[1]
X is from 1 to 10.
Example: Adding Replace Rules Using a Replace Rule File
The following example shows the configuration for adding replace rules.
Customize the replace rule template file and place this file to the provisioning server “http://192.168.10.25”.
Example
dialplan_replace_rule.url = http://192.168.10.25/DialPlan.xml
After provisioning, the rules defined in this file are added to the IP phone, and you can use the replace rules on the
phone.

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