Yealink SIP-T27G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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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-T27G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black, Gold
Wall mountable	Yes
Display diagonal	3.66 \
Display resolution	240 x 120 pixels
RJ-9 ports quantity	2
USB 2.0 ports quantity	1
Voice codecs	CNG, G.711, G.722, G.723.1, G.726, G.729, G.729ab, VAD, iLBC
Dual-Tone Multi-Frequency (DTMF) modes	SIP info
Lines quantity	8 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	6
Bluetooth	-
Security algorithms	AES, MD5
Networking standards	IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Volume control	Digital
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	210 mm
Width	265 mm
Height	170.5 mm