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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.
3 Lines
It supports up to 3 VoIP lines, each with a standalone configuration.
HD Voice Quality
It supports advanced wideband voice codec G.722 and full-duplex hands-free speakerphone with enhanced AEC, delivering superior voice clarity.
Business Professional Phone
3 programmable function keys and 4 soft keys, XML screen, which increase working efficiency.
Value-added Features
SMS, online advertisement, weather report and groupable enterprise phone book are supported.
Network Features
- SIP 2.0(RFC3261) protocol, NAT transverse: STUN mode
- IP assignment: DHCP / Static IP / PPPoE
- Configuration: console/telnet, keypad, auto-provision, built-in web browser
- QoS: IEEE 802.1p/Q tagging (VLAN), Layer 3 TOS
- In-band DTMF and out-of band RFC2833 DTMF
- Proxy mode and peer-to-peer SIP link mode
- Standard encryption and authentication(MD5 and MD5-sess)
Phone Features
- Call Hold, Call Waiting, Call Transfer, Call Forward
- 3-way Conference, Call park, Call pickup, DND, Intercom
- Dial Plan, Dial-now, Speed dial
- Volume Adjustment, Mute, Distinctive Ringtone
- SMS, Voicemail, Importable/Exportable Phonebook, Call list
- Multi-language, System log, Admin/User Configuration Mode, Phone lock
Voice Features
- Wideband voice codecs: G.722, voice spectrum between 50 and 7000Hz
- Narrowband voice codecs: G.711, G.729AB, G.726, G.723.1 or iLBC
- Supports VAD, CNG, AEC, NLP, AGC
- Full-duplex hands-free speakerphone compliant with IEEE 1329
Physical Features
- TI Titan Chipset
- White backlit 132x64 pixels graphical LCD
- 3 context-sensitive keys, 4 soft keys
- 2 Ethernet RJ-45 ports, 1 headset jack
- PoE (Power over Ethernet) support
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