Yealink SIP-T22 features intuitive user interface and enhanced functionality which make it easy for people to interact and maximize productivity. With TI leading VoIP voice engine, it enables enhanced high-fidelity audio,outsourced management options, flexible deployment and third-party communications applications. As a cost effective IP solution, it helps users to streamline business processes, delivering a powerful and consistent communications experience for small and large offices environment.

• SIP v1(RFC2543), v2(RFC3261)
• 3 User accounts
• NAT Transverse: STUN mode
• IP Assignment: Static/DHCP/PPPoE
• In-Band DTMF, Out-of-Band DTMF, SIP Info
• Proxy mode and Peer-to-peer SIP link mode
• TFTP/DHCP/PPPoE client
• Telnet/HTTP server
• DNS client
• NAT/DHCP server
• Support VLAN, QoS

• Wideband Codec: G.722, voice
• spectrum between 50-7000Hz
• Narrowband Codecs: G.711, G.726,
• G.723.1/iLBC, G.729AB and GSM
• VAD, CNG, AEC, PLC, AJB, AGC

• Dial Plan, Dial-now, Paging
• Downloadable enterprise phonebook
• Call Park, Call Pickup, Distinctive Ringtone

• Language Customization Support
• Firmware Upgrade: TFTP/Console/Auto-provision
• Auto-provision: TR069 Optional
• Direct IP call without SIP proxy
• Dial number via SIP server
• Dial URL via SIP server
• Auto-answer, intercom

• Secure RTP
• Digest authentication using MD5/MD5-sess

• TI Titan Chipset
• LCD: 132x64 with blue backlit
• 3 programmable keys, 4 text-sensitive keys
• 23 hard keys, 2 indication LEDs
• Headset port: RJ9
• Network Interface: 2xRJ45 10/100M ports
• Dimension:185 X 200 X 90mm
• Net Weight:0.77kg
• Power adapter: Input: AC 100~240V
• Output: DC 5V/1A
• Operating humidity: 10~95%
• Storage temperature: up to 60 C
• Secure configuration file via AES encryption
• Full-duplex hands-free speakerphone
• PoE

Brochure Download

Quick Installation Guide Download

Quick Reference Guide Download

User Guide Download