The Yealink SIP-T21P is an entry-level IP desktop phone supporting 2 VoIP accounts with advanced features such as HD audio and a large 5-line LCD display.
The SIP-T21 supports IP, Open VPN and a redundancy server, plus SRTP, HTTPS. Dual 10/100 Mbps Ethernet ports with built-in PoE are ideal for extended network use.
It also provides a variety of features including a headset port, a phone book for 1000 entries, SMS, 4 soft keys, 3-way conferencing, PoE and PnP ports, and compatibility with the leading IP-PBX and soft switch developments.
As this phone has PoE it does not come with a power supply.
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