The Yealink SIP-T21 E2 has a 2.6 inch 132 x 64 pixel backlit LCD display with 2x LED keys that support line status information. The T-21 is designed for office workers that need to make phone calls on a daily basis.
Included HD Handset & Speakerphone function, Voicemail waiting light, a phone book that can save up to 1000 contacts and Headset support make this device a good all-rounder. If staff has to take notes or use the computer while on a call corded headsets can be connected conveniently via the build-in RJ-9 headset port allowing increasing productivity.
The very good price values with optional PoE Support make this phone a good choice for mass deployments in offices. When used with VoIP Thailand’s Hosted IP PBX Solutions the Yealink T-21 can be conveniently deployed via OpenVPN and calls secured via TLS encryption.
Other key functions include:
- 2 SIP Accounts
- blacklisting callers via Caller ID
- Wall mountable (Wall Mount bracket included)
- Call History
- HD Handset & Speaker
- XML Support
- encrypted conversations via TLS/SSL
- VPN/VLAN support
- Power Adapter (included)
- Busy Lamp field
- Message Waiting Light
- Voice mail
- Intercom, paging
- Music on Hold
- Call Recording
The Yealink SIP-T21 E2 is available in 2 versions:
The Yealink SIP-T21 E2 is designed for Fast Ethernet Networks without PoE Support
The Yealink SIP-21 is recommended if your office infrastructure is using CAT5e Network cables. CAT5e Network cables support Fast Ethernet (10/100 Mbit/s). To Power up the phone you will need to use the included Power Supply.
The Yealink SIP-T21P E2 is designed for Fast Ethernet Networks with PoE Support
The Yealink SIP-21P is recommended if your office/call center infrastructure is using CAT5e Networks and PoE Switches that power up the IP Phones without the need for additional power outlets on each office desk. In case of power outages it’s much easier to keep phones up and running as a PoE Switch can easily be connected to a UPS Backup Back-up System.