Entry-level high quality business IP Phone
A2 series IP Phone is a multi-access network, easy to deploy and operate desktop
office phone for enterprise users, which features excellent sound quality, elegant and
smart design. It supports 2 SIP accounts, which combines economical, practical and
excellent performance dual advantage in one. It is an entry-level IP Phone specially
designed for business office, suitable for enterprise unified communications.

Top level voice quality

WIFI + cable connection enable flexible deployment

Dual core CPU is the guarantee of high quality IP phone



One core for instruction process and the other core for voice 
decoding greatly improve the sound quality and make it possible 
to run more complicated applications fluently.
 
 

Specification


Basic functions
132 * 58 graphic character dot matrix with backlight LCD
2 SIP accounts
Call Forward, Call Transfer, Call Waiting, Hotline, Call Hold,
Auto Answer, Caller ID, Redial, Mute, DND
Local 3-Way Conferencing, Speed Dial, Voice Mail
Phone Book (400)
Direct IP call without SIP proxy
Black list(100)
Dialed/received/missed/Forward call (total 400)
Call Center Headsets mode
IP PBX features
Intercom, Paging, Call pickup, Call park
Anonymous call, Anonymous call rejection
Hold on music, Conference Call
Group Listening, Group pickup
DND&Call forward state synchronization
Call Recording
Advanced features
LDAP
Microsoft active directory server
XML remote phonebook
TR069
Action URL
Audio Features
8 own ring tone, 2 custom ring tone article
8 volume adjustable + Mute mode
Narrowband codec: G.711(A/μ), G.729A/B/AB, G.726, iLBC
Wideband codec: G.722, L16
Support VAD, CNG, AEC, PLC, AJB, AGC
Full-duplex speakerphone with AEC
Network features
LAN / PC: support bridging mode
Span to PC
Openvpn
IPv6
SIP connection mode: Proxy mode, and P2P mode
Support DNS SRV (RFC3263)
NAT transverse: STUN mode
DTMF: In-band, RFC2833, SIP INFO
Support QoS
HTTP / HTTPS web server
Package tracing export
System log



Physical characteristics
Power Interface: DC 5V-1A
POE power supply: IEEE 802.3af Class 2 (only A21)
2 RJ45 10/100M adaptive Ethernet ports
1 RJ9 headphone jack, 1 RJ9 handset jack
1 status indicator, 3 soft keys, 5 navigation keys
2 line keys, 2 volume keys
7 function keys (menu, cancel, voicemail, mute,
headphone, Redial, hands-free)
Wall mountable
WiFi feature (only models A20W)
Support IEEE 802.11b/g/n
Enhanced support for IEEE 802.11e QoS
 IEEE802.11i (WPA, WPA2)








Use of the environment
Operating temperature: -10 ~ 50°C
Operating humidity: 10 ~ 90%
SafetySupport
VLAN, LLDP, IEEE802.1X
Support TLS
Support HTTPS
SRTP (RFC3711)
Digest authentication using MD5/MD5-sess
AES encryption for configuration file
Support phone lock, the administrator / user rating mode





Package
Qty/CTN: 10 pieces
G.W/CTN: 11KG
Giftbox size:  280mm*210mm*78mm
Carton Meas: 425mm *415mm *300mm
Configuration
PnP configuration: based on the server implementation
Redirection and Provisioning(RPS)
Manual configuration:Web, Keypad
Batch deployment: HTTP/FTP/TFTP/RPS/DHCP Option 66










Certifications
CE: EN60950 FCC: Part15

Models


Models A20 A21 A20W
PoE
N Y N
WiFi
N N Y

Downloads


Firmware User manual Brochure Datasheet Quick installation guide Cautions
 

Comparison


 
  A68/A68W A48/A48W A41/A41W A2X A1X
  LCD Display 4.3" TFT LCD 3.2" TFT LCD
400*240 Pixel
3.2" TFT LCD
224*128 Pixel
132*58 Pixel 132*52 Pixel
 2D Graphics Accelerator Yes No No No No
  Programmable keys 14 12 12 2 0
  SIP Accounts 6 4 4 2 1
  Gigabit LAN Port Yes Yes No No No
  RJ45 Ethernet ports 2(Bridge Mode) 2(Bridge Mode) 2(Bridge Mode) 2(Bridge Mode) 2(Bridge Mode)
  WIFI connection A68W only A48W only Optional
(Only A41W)
Optional
(Only A20W/A21W)
Optional
(Only A10W/A11W)
 POE Supported Yes Yes Yes Optional(A21/A21W)) Optional(A11/A11W)
  Extension Modules Yes(RET) Yes(RET) Yes(RE) No No
  Wall mount No No No Yes Yes
  Headset Yes Yes Yes Yes Yes
  HD Voice HD Voice Codec
HD Handset
HD Speaker
HD Voice Codec
HD Handset
HD Speaker
HD Voice Codec
HD Handset
HD Speaker
HD Voice Codec
HD Handset
HD Speaker
HD Voice Codec
HD Handset
HD Speaker
Speakerphone Full-Duplex
Hands-free
Talking
Full-Duplex
Hands-free
Talking
Full-Duplex
Hands-free
Talking
Full-Duplex
Hands-free
Talking
Full-Duplex
Hands-free
Talking
LDAP Yes Yes Yes Yes Yes
  BLF Yes Yes Yes No No
  BLA Yes Yes Yes No No
 XML remote phonebook Yes Yes Yes Yes Yes
  SRTP Yes Yes Yes Yes Yes
  TLS Yes Yes Yes Yes Yes
  DHCP Option 66/67 Yes Yes Yes Yes Yes
  Auto Provision TFTP/FTP
/HTTP
TFTP/FTP
/HTTP
TFTP/FTP
/HTTP
TFTP/FTP
/HTTP/HTTPS
TFTP/FTP
/HTTP
 RSP WAN deployment Yes Yes Yes Yes Yes
 Wideband Codec G.722
L16 PCM
G.722
L16 PCM
G.722
L16 PCM
G.722
L16
G.722
L16 PCM
 Narrowband Codec G.711(A/u),
G.723, G.726,
G.729AB,
iLBC
G.711(A/u),
G.723, G.726,
G.729AB,
iLBC
G.711(A/u),
G.723, G.726,
G.729AB,
iLBC
G.711(A/μ),
G.729A/B/AB,
G.726, iLBC
G.711(A/u),
G.723, G.726,
G.729AB,
iLBC

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