- Description
Description
SIP-T21(P) E2
Entry-level IP phone with 2 Lines & HD voice
Key Features and Benefits
- HD Audio
Yealink HD voice refers to the combination of software and hardware design as well as the
implementation of wideband technology to maximize the acoustic performance. Coupled
with advanced acoustic clarity technology such as full duplex, echo cancellation, adaptive
jitter buffer, etc, the SIP-T21(P) E2 provides clearer, more lifelike voice communications. - Enhanced Call Management
The SIP-T21(P) E2 supports vast productivity- enhancing features such as XML Browser, call
park, call pickup, BLF, call forward, call transfer, 3-way conference, which makes it the
natural and obvious efficiency tool for today’s busy small and large offices environment. - Efficient Installation and Provisioning
The Yealink SIP-T21(P) E2 supports efficient provisioning and effortless mass deployment
with Yealink’s Redirection and Provisioning Service (RPS) and Boot mechanism to help you
realize the Zero Touch Provisioning without any complex manual settings, which makes it
simple to deploy, easy to maintain and upgrade. - Highly secure transport and interoperability
The communicator uses SIP over Transport Layer Security (TLS/SSL) to provide service
providers with the latest technology for enhanced network security. The range is certified
compatible with 3CX and Broadsoft Broadworks, ensuring excellent compatibility with
leading soft switch suppliers.
> 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
SIP-T21(P) E2 Specifications
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
> Loal 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
> 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
> Loal 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
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)
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
Package Features
> Package content:
– Yealink SIP-T21(P) E2 IP phone
– Handset with handset cord
– Ethernet Cable (1.5m CAT5E UTP Cable)
– Stand
– Quick Start Guide
– Power Adapter??
T21 E2 (Standard)/T21P E2 (Optional)
> Qty/CTN: 10 PCS
> N.W/CTN: 11.7 kg
> G.W/CTN: 12.5 kg
> Giftbox size: 215 mm*200 mm*118 mm
> Carton Meas: 615 mm*436 mm*208 mm
> 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)
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
Package Features
> Package content:
– Yealink SIP-T21(P) E2 IP phone
– Handset with handset cord
– Ethernet Cable (1.5m CAT5E UTP Cable)
– Stand
– Quick Start Guide
– Power Adapter??
T21 E2 (Standard)/T21P E2 (Optional)
> Qty/CTN: 10 PCS
> N.W/CTN: 11.7 kg
> G.W/CTN: 12.5 kg
> Giftbox size: 215 mm*200 mm*118 mm
> Carton Meas: 615 mm*436 mm*208 mm
