Yealink SIP-T21P E2 Entry Level IP Phone
Product Overview
Yealink’s new SIP-T21(P) E2 takes entry-level IP phones to a level never achieved before. Making full-use of high-quality materials, plus an extra-large 132x64-pixel graphical LCD with backlight showing a clear 5-line data display, it offers a smoother user experience, much more visual information at a glance, plus HD Voice characteristics. Meanwhile, the dual 10/100 Mbps network ports with integrated PoE makes T21P E2 an ideal choice for extended network use. The T21(P) E2 supports two VoIP accounts, simple, flexible and secure installation options, plus support for IPv6, Open VPN and a redundancy server. It also operates with SRTP/ HTTPS/ TLS, 802.1x. As a very cost-effective and powerful IP solution, the T21(P) E2 maximizes productivity in both small and large office environments.
Features
Yealink HD Voice
132 x 64-pixel graphical LCD with backlight
Two-port 10/100M Ethernet Switch
PoE support (T21P E2)
Opus codec support
Up to 2 SIP accounts
Headset support
Wall mountable
Simple, flexible and secure provisioning options
| Audio Features | |
|---|---|
| HD voice | HD handset, HD speaker |
| Wideband codec | Opus, G.722 |
| Narrowband codec | G.711(A/µ), G.729AB, G.726, iLBC |
| DTMF | In-band, Out-of-band (RFC 2833) and SIP INFO |
| Full-duplex hands-free speakerphone with AEC | |
| VAD, CNG, AEC, PLC, AJB, AGC | |
| Phone Features | |
| 2 VoIP accounts | |
| Call hold, mute, DND | |
| One-touch speed dial, hotline | |
| Call forward, call waiting, call transfer | |
| Group listening, SMS, emergency call | |
| Redial, call return, auto answer | |
| Local 3-way conferencing | |
| Direct IP call without SIP proxy | |
| Ring tone selection/import/delete | |
| Set date time manually or automatically | |
| Dial plan | |
| XML Browser, action URL/URI | |
| Integrated screenshots | |
| RTCP-XR | |
| Enhanced DSS Key | |
| Directory | |
| Local phonebook up to 1000 entries | |
| Black list | |
| XML/LDAP remote phonebook | |
| Smart dialing | |
| Phonebook search/import/export | |
| Call history | dialed/received/missed/forwarded |
| IP-PBX Features | |
| Busy Lamp Field (BLF) | |
| Bridged Line Apperance (BLA) | |
| Anonymous call, anonymous call rejection | |
| Hot-desking, voice mail | |
| Flexible seating | |
| Call park, call pickup | |
| Executive and Assistant | |
| Centralized call recording | |
| Visual voice mail | |
| Call recording | |
| Display and Indicator | |
| 132 x 64-pixel graphical LCD with backlight | |
| LED for call and message waiting indication | |
| Dual-color (red or green) illuminated LEDs for line status information | |
| Intuitive user interface with icons and soft keys | |
| Multilingual user interface | |
| Caller ID with name and number | |
| Power saving | |
| Feature keys | |
| 2 line keys with LED | |
| 6 features keys | message, headset, redial, transfer, mute, hands-free speakerphone |
| 6 navigation keys | |
| Volume control keys | |
| Interface | |
| 2 x RJ45 10/100M Ethernet ports | |
| Power over Ethernet (IEEE 802.3af), class 1 (T21P E2) | |
| 1 x RJ9 (4P4C) handset port | |
| 1 x RJ9 (4P4C) headset port | |
| Other Physical Features | |
| Wall mountable | |
| External Yealink AC adapter? | |
| AC 100~240V input and DC 5V/600mA output | |
| Power consumption (PSU) | 0.8-1.4W |
| Power consumption (PoE) | 1.3-1.8W (T21P E2) |
| Dimension (W*D*H*T) | |
| 209 mm*188 mm*150 mm*41 mm | |
| Operating humidity | 10~95% |
| Operating temperature | -10~50°C (+14~122°F) |
| Management | |
| Configuration | browser/phone/auto-provision |
| Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy | |
| Auto-provision with PnP | |
| Zero-sp-touch, TR-069 | |
| Phone lock for personal privacy protection | |
| Reset to factory, reboot | |
| Package tracing export, system log | |
| Network and Security | |
| SIP v1 (RFC2543), v2 (RFC3261) | |
| Call server redundancy supported | |
| NAT traversal | STUN mode |
| Proxy mode and peer-to-peer SIP link mode | |
| IP assignment | static/DHCP |
| HTTP/HTTPS web server | |
| Time and date synchronization using SNTP | |
| UDP/TCP/DNS-SRV (RFC 3263) | |
| QoS | 802.1p/Q tagging (VLAN), Layer 3 ToS |
| DSCP | |
| SRTP for voice | |
| Transport Layer Security (TLS) | |
| HTTPS certificate manager | |
| AES encryption for configuration file | |
| Digest authentication using MD5/MD5-sess | |
| OpenVPN, IEEE802.1X | |
| IPv6 | |
| LLDP/CDP/DHCP VLAN | |
| ICE |
Frequently Asked Questions
Yealink SIP-T21P-E2 Entry Level IP Phone with POE | New
What is the Yealink SIP-T21P-E2?
Does the Yealink SIP-T21P-E2 support Power over Ethernet (PoE)?
How many SIP accounts can the Yealink SIP-T21P-E2 support?
Does the phone have HD voice quality?
What type of display does the Yealink SIP-T21P-E2 have?
Is the phone compatible with major VoIP platforms?
Does it support headset connectivity?
Does the phone support call hold, transfer, and conferencing?
Does the Yealink SIP-T21P-E2 support speakerphone functionality?
What audio codecs are supported?
Does it support voicemail?
Does the Yealink SIP-T21P-E2 support dual Ethernet ports?
What security protocols does it support?
Does the phone support XML or custom applications?
Is wall-mounting possible with this phone?
What languages are supported by the phone?
What makes the SIP-T21P-E2 different from the previous T21P model?
How do I factory reset the Yealink SIP-T21P-E2?
How do I access the phone’s web interface?
What is the default admin password?
Yealink SIP-T21P-E2 Entry Level IP Phone with POE | New
Yealink
