Display |
Backlight |
Yes |
Display Type |
LCD |
Viewable screen size |
3.66 ins |
Colour/Monochrome |
Monochrome |
Indicators |
LED for call and message waiting |
Electrical |
Power Adaptor Output |
5 V DC |
Voltage |
100 to 240 V AC |
Telecommunications |
SIP (RFC 3261) version 2 |
Yes |
G.711 Compression |
Yes |
G.729ab Compression |
G.729a/b |
DTMF |
Supported |
VAD (Voice Activity Detection) |
Yes |
Comfort Noice Generation (CNG) |
Yes |
STUN (RFC 3489) |
Yes |
Direct IP to IP Call |
Yes |
Calling Features |
Busy Lamp Field (BLF) > Bridged Line Apperance(BLA) > Anonymous call, anonymous call rejection > Hot-desking > Message Waiting Indicator (MWI) > Voice mail > Call park, call pickup > Intercom, paging, > Music on hold > Call recording |
Environmental |
Operating Temperature |
10 to 50 °C |
Operating Humidity |
10 to 95 % |
Physical |
Form Factor |
Corded IP Telephone |
Case Colour |
Black |
In The Box |
T27P IP Phone, Handset, Handset Cord, Ethernet Cable, Stand, Quick Start Guide |
Width |
26.5 cm |
Depth |
21.0 cm |
Height |
17.0 cm |
Pack Quantity |
1 |
Hand Set |
Speakerphone |
Yes |
Corded/Cordless |
Corded |
User Controls |
Navigation |
Navigation Key |
Mute |
Yes |
Phone Book |
1000 Entries |
Ringtone Buttons |
Yes |
Volume Control |
Yes |
Auto Redial Button |
Yes |
Caller ID |
Yes |
Hold Button |
Yes |
Programmable Buttons |
8 |
Other Buttons |
8 line keys with LED > 8 line keys can be programmed up to 21 various features (3-page view) > 8 features keys: message, headset, conference, mute, hold, transfer, redial, hands-free speakerphone > 4 context-sensitive 'soft' keys > 6 navigation keys > 2 volume control keys > Illuminated message key > Illuminated headset key |
Interfaces/Ports |
RJ-45 Ports |
2 x RJ-45 |
Headset Port |
Yes |
Compliance |
Phone Stand |
Yes |
Regulatory Approvals |
FC, CE, WEEE, ROHS |
Telecommunications |
Hearing Aid Compatible |
Network |
Network Speeds Supported |
10/100/1000 Mbps |
Network Features |
SIP v1 (RFC2543), v2 (RFC3261), NAT traverse: STUN mode, Proxy mode and peer-to-peer SIP link mode, IP assignment: static/DHCPHTTP/HTTPS web server |
System |
Management |
Configuration: browser/phone/autoprovision, Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy, Auto-provision with PnP, Zero-sp-touch, Phone lock for personal privacy protection, Reset to factory, reboot Packet trace, system log |
Security |
Time and date synchronization using SNTP, UDP/TCP/DNS-SRV(RFC 3263), QoS: 802.1p/Q tagging (VLAN), Layer 3, ToS DSCP SRTP for voice, Transport Layer Security (TLS), HTTPS certificate manager, AES encryption for configuration file, Digest authentication using MD5/MD5-sess, penVPN, IEEE802.1X, IPv6 |
Warranty |
Warranty |
Lifetime warranty (Life time warranty will commence from the date of purchase; until 12 months after the official end of life date of that product). |
Item Details |
Manufacturer |
Yealink |
Part Number |
T27PN |
EAN |
6938818301177 |
Condition |
New |