Yealink SIP-T21P E2
The Yealink T21P E2 is a 2-line entry level IP phone that can perform the basic functions you need for extended phone use. The T21P E2 has a phone directory, HD-Voice, a 5-line graphical LCD screen and supports PoE.
The Yealink SIP-T21P E2 redefines the entry-level IP phone, with impressive features, HD Voice, and high performance.
The generously large blacklit 132 x 64-pixel graphical LCD shows a clear 5-line display. Your customers will have a smoother user experience since there is much more visual information accessible at a glance compared to other entry-level IP phones.
Dual 10/100 Mbps network ports with support for IPv6 and integrated PoE are ideal for efficient use of network cabling.
Choose from simple, flexible, and secure auto provisioning options from AES encrypted configuration files via FTP, TFTP, HTTP, and HTTPS for mass deployments.
Ensure the security and quality of your VoIP calls on the Yealink SIP-T21 with SRTP, HTTPS, TLS, VLAN support, and QoS parameters.
The Yealink SIP-T21 is wall-mountable and supports headset use.
Audio Features
- Full-duplex hands-free speakerphone with AEC
- HD voice: HD handset, HD speaker
- Codecs: G.722(Wideband), G.711(A/μ), G.723, G.729AB, G.726
- DTMF: In-band, out-of-band (RFC 2833) and SIP INFO
- VAD, CNG, AEC, PLC, AJB, AGC
Directory
- Local phonebook up to 1000 entries
- Black list
- XML/LDAP remote phonebook
- Intelligent search method
- Phonebook search/import/export
Phone Features
- 2 VoIP accounts
- Call hold, mute, DND
- One-touch speed dial, hotline
- Redial, call return, auto answer
- Call forward, call waiting, call transfer
- Group listening, SMS
- Call history: dialed/received/missed/forwarded
- Local 3-way conferencing
- Direct IP call without SIP proxy
- Ring tone selection/import/delete
- Keypad lock, emergency call
- Set time & date manually or automatically
- Dial Plan, XML Browser, action URL & action URI
- RTCP-XR
PBX Integration Features
- Anonymous call, anonymous call rejection
- Message waiting indicator (MWI)
- Voice mail, call park, call pickup
- Intercom, paging, music on hold
- Call completion, call recording, hot-desking
Display and Indicator
- 132x64-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
- National language selection
- Caller ID with name, number
Network and Security
- SIP v1 (RFC2543), v2 (RFC3261)
- IPv6, open VPN
- NAT transversal: STUN mode
- Proxy mode and peer-to-peer SIP link mode
- IP assignment: static/DHCP/PPPoE
- HTTP/HTTPS web server
- Time and date synchronization using SNTP
- UDP/TCP/DNS-SRV(RFC 3263)
- QoS: 802.1p/VLAN tagging, Layer 3 ToS, DSCP
- SRTP for voice
- Transport Layer Security (TLS)
- HTTPS certificate manager
- AES encryption for configuration file
- Digest authentication using M D5/MD5-sess
- IEEE802.1X
Management
- Configuration: browser/phone/auto-provision
- Auto provision via FTP/TFTP/HTTP/HTTPS for mass deployments
- Auto-provision with PnP
- Zero-sp-touch
- Provisioning server redundancy supported
- Reset to factory, reboot
- Package tracing export, system log
Physical Features
- 2xRJ45 10/100M Ethernet ports
- 31 keys including 4 soft keys
- 4 LEDs: 1 power, 2 line, 1 message
- 1 RJ9 handset port
- 1 RJ9 headset port
- Wall mountable
- Power adapter: AC 100~240V input and DC 5V/600mA Output (Not Included)
- Power over Ethernet (IEEE 802.3af)
- Power consumption: 1.24-2.62W
- Dimensions: 209mm*188mm*150mm*41mm
- Operating humidity: 10~95%
- Operating temperature: -10~50°C
Package Features
- Qty/CTN: 10 PCS
- N.W/CTN:
- G.W/CTN:
- Giftbox size: 215MM*200MM*118MM
- Carton Meas: 615mm*436mm*208mm
