Yealink T27G SIP Executive IP Phone (with PoE)
Το μοντέλο SIP-T27G της Yealink είναι ένα επαγγελματικό IP phone, που υποστηρίζει έως έξι λογαριασμούς SIP και HD Voice. Διαθέτει οθόνη LCD 240×120 pixels, δύο Gigabit θύρες με ενσωματωμένο PoE και θύρα USB 2.0. Υποστηρίζει ενσύρματο και ασύρματο Headset και δέχεται expansion module.
Yealink T27G Executive IP Phone (with PoE)
Audio Features
HD voice: HD handset, HD speaker
Wideband codec: AMR-WB (optional), Opus*, G.722
Narrowband codec: AMR-NB (optional), Opus*,
G.711(A/µ), G.723.1, G.729, G.729AB, G.726, iLBC
DTMF: In-band, Out-of-band(RFC 2833) and SIP
INFO
Full-duplex hands-free speakerphone with AEC
VAD, CNG, AEC, PLC, AJB, AGC
Phone Features
6 VoIP accounts
One-touch speed dial, redial
Call forward, call waiting, call transfer, call hold
Call return, group listening
Mute, auto answer, DND
3-way conference call
Direct IP call without SIP proxy
Ring tone selection/import/delete
Hotline, emergency call
Set date time manually or automatically
Dial plan, XML Browser, Action URL/URI
Integrated Screenshots
RTCP-XR, VQ-RTCPXR
USB port (2.0 compliant)
Bluetooth earphone through BT40,
Contact synchronization through BT40,
Wi-Fi through WF40,
USB call recording through USB flash drive
Enhanced DSS key
Directory
Local phonebook up to 1000 entries
Black list
XML/LDAP remote phonebook
Intelligent search method
Phonebook search/import/export
Call history: dialed/received/missed/forwarded
IP-PBX Features
Busy Lamp Field (BLF)
Bridged Line Apperance (BLA)
Anonymous call, anonymous call rejection
Hot-desking, voice mail
Flexible seating
Call park, call pickup
Executive and Assistant
Centralized call recording
Visual voice mail
Display and Indicator
3.66″ 240×120-pixel graphical LCD with backlight
LED for call and message waiting indication
Dual-color (red or green) illuminated LEDs for
line status information
Intuitive user interface with icons and soft keys
Multilingual user interface
Caller ID with name and number
Power saving
Feature keys
8 line keys with LED
8 line keys can be programmed up to 21
paperless DSS keys (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
Interface
Dual-port Gigabit Ethernet
Power over Ethernet (IEEE 802.3af), Class 3
1 x USB port (2.0 compliant)
1 x RJ9 (4P4C) handset port
1 x RJ9 (4P4C) headset port
1 x RJ12 (6P6C) EHS port
1 x RJ12 (6P6C) EXT port:
Supports up to 6 Expansion Modules
Management
Configuration: browser/phone/auto-provision
Auto provision via FTP/TFTP/HTTP/HTTPS
for mass deploy
Auto-provision with PnP
Zero-sp-touch, TR-069
Phone lock for personal privacy protection
Reset to factory, reboot
Package tracing export, system log
Network and Security
SIP v1 (RFC2543), v2 (RFC3261)
Call server redundancy supported
NAT traversal: STUN mode
Proxy mode and peer-to-peer SIP link mode
IP assignment: static/DHCP
HTTP/HTTPS web server
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
OpenVPN, IEEE802.1X
IPv6
