Yealink T27P Administrator's Guide

Administrator’s Guide for SIP-T2_Series_T4_Series IP Phones
4
For a list of key features available on Yealink IP phones running the latest firmware, refer
to Key Features of IP Phones on page 12.
In order to operate as SIP endpoints in your network successfully, IP phones must meet
the following requirements:
 A working IP network is established.
 VoIP gateways are configured for SIP.
 The latest (or compatible) firmware of IP phones is available.
 A call server is active and configured to receive and send SIP messages.
This section lists the available physical features of SIP-T48G, SIP-T46G, SIP-T42G, SIP-T41P,
SIP-T29G, SIP-T27P, SIP-T23P/G and SIP-T21(P) E2 IP phones.
SIP-T48G
Physical Features:
- 7” 800 x 480 pixel color touch screen with backlight
- 24 bit depth color
- 16 VoIP accounts, Broadsoft Validated/Asterisk
®
Compatible
- HD Voice: HD Codec, HD Handset, HD Speaker
- 26 keys including 7 feature keys
- 1*RJ9 (4P4C) handset port
- 1*RJ9 (4P4C) headset port

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)