Yealink SIP-T22P features intuitive user interface and enhanced functionality which make it easy forpeople to interact and maximize productivity. With TI TITAN chipset and TI leading VoIP voice engine,it enables enhanced high-definition audio, outsourced management options, flexible deployment andthird-party communications applications. As a cost effective IP solution, it helps users to streamlinebusiness processes, delivery a powerful, security and consistent communication experience for smalland large offices environment.

Phone Features
3 VoIP accounts, hotline, emergency call
Call waiting, call transfer, call forward
Hold, mute, flash, auto-answer, redial
3-way conference, DND, speed dial
Phonebook (each record with 3 phone
numbers, 300 entries), black list
XML Phonebook search/import/export
Lists of missed, received, dialed and
forwarded calls (100 entries in all)
Volume adjustment, ring tone selection
Tone scheme, System log
Multi-language (more than 20)

IP PBX System Integration
Dial plan, dial-now
SMS, Voicemail, MWI
Intercom
Call park, call pickup
Distinctive ringtone

Codecs and Voice Features
Wideband codec: G.722
Narrowband codec: G.711, G.723.1, G.726, G.729AB
VAD, CNG, AEC, PLC, AJB, AGC
Full-duplex speakerphone with AEC

Network Features
SIP v1 (RFC2543), v2 (RFC3261)
NAT Traversal: STUN mode
DTMF: In-Band, RFC2833, SIP Info
Proxy mode and peer-to-peer SIP link mode
IP Assignment: Static/DHCP/PPPoE
TFTP/DHCP/PPPoE client
Telnet/HTTP/HTTPS server
DNS client
NAT/DHCP server

Management
FTP/TFTP/HTTP/PnP auto-provision
Configuration: browser/phone/auto-provision
Direct IP call without SIP proxy
Dial number via SIP server
Dial URL via SIP server

Security
HTTPS (server/client)
SRTP (RFC3711)
Transport Layer Security (TLS)
VLAN (802.1 pq), QoS
Digest authentication using MD5/MD5-sess
Secure configuration file via AES encryption
Phone lock for personal privacy protection
Admin/user configuration mode

Physical Features
TI TITAN chipset
132x64 graphic LCD
32 keys including 4 soft keys
5 LEDs: 1xpower, 3xline, 1xmessage
1xRJ9 handset port
1xRJ9 headset port
2xRJ45 10/100M Ethernet ports
Wall-mounted
Power adapter: AC 100~240V input and DC 5V/1.2A Output
Power over Ethernet (IEEE 802.3af)
Power consumption: 1.4-2.6W
Net weight: 0.77kg
Dimension: 185 x 200 x 90mm
Operating humidity: 10~95%
Storage temperature: up to 60C