Yealink T27P Administrator's Guide

Administrator’s Guide for SIP-T2_Series_T4_Series IP Phones
300
Parameters
Permitted Values
Default
Description:
Configures how often to refresh the local cache of the remote phone book. If it is set
to 3600, the IP phone will refresh the local cache of the remote phone book every
3600 seconds.
Note: If it is set to 0, the IP phone will refresh the local cache of the remote phone
book aperiodically.
Web User Interface:
Directory->Remote Phone Book->Update Time Interval(Seconds)
Phone User Interface:
None
features.remote_phonebook.enter_update_enable
0 or 1
0
Description:
Enables or disables the IP phone to refresh the local cache of the remote phone
book at a time when accessing the remote phone book.
0-Disabled
1-Enabled
Web User Interface:
None
Phone User Interface:
None
To specify access URL of the remote phone book via web user interface:
1. Click on Directory->Remote Phone Book.
2. Enter the access URL in the Remote URL field.
3. Enter the name in the Display Name field.
4. Click Confirm to accept the change.

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)