Yealink T27P Administrator's Guide

Configuring Basic Features
143
Parameters
Permitted Values
Default
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.
Permitted Values:
0 to 16 (for SIP-T48G/T46G/T29G)
0 to 12 (for SIP-T42G)
0 to 6 (for SIP-T41P/T27P)
0 to 3 (for SIP-T23P/G)
0 to 2 (for SIP-T21(P) E2)
Example:
dialplan.block_out.line_id.1 = 1,2,3
Note: Multiple line IDs are separated by commas.
Web User Interface:
Settings->Dial Plan->Block Out->Account
Phone User Interface:
None
To create a block out rule via web user interface:
1. Click on Settings->Dial Plan->Block Out.
2. Enter the desired value in the BlockOut NumberX field.
3. Enter the desired line ID in the Account field or leave it blank.
If you leave this field blank or enter 0, the block out rule will apply to all accounts on
the IP phone.
4. Click Confirm to add the block out rule.

Yealink T27P Specifications

General

Wall Mountable	Yes
Local Phonebook	1000 entries
Bluetooth	No
Wi-Fi	No
Gigabit Ethernet	No
Display	3.66" 240x120 pixel graphical LCD with backlight
Audio Features	HD voice, Full-duplex speakerphone
Network	Dual-port 10/100 Ethernet switch
Protocols	SIP v1 (RFC2543), v2 (RFC3261)
Power	IEEE 802.3af PoE
Connectivity	2 x RJ45 10/100M Ethernet ports
Voice Codecs	G.711(A/μ), G.722, G.723, G.729AB, G.726
EHS	Supports EHS with Plantronics headsets
Headset Port	Yes
Power Adapter	5V DC (optional)