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IP Phone ATCOM A21

10 days
In stock

IP Phone ATCOM A21 is a desk phone commonly used in internal communication activities and for daily customers in the business, designed with the motto ""Beautiful - Professional - Easy to use - Convenient". As a product aimed at users who are office workers in businesses, IP Phone ATCOM A21 is packed with advanced features on the popular desktop VoIP phone line, such as 13 programmable keys, Multi-way conversation, .. serving daily communication in business.

IP Phone ATCOM A21 supports 10/100Mbps, PoE network connection to get power directly on RJ45 network wire and at the same time exchange voice data, from PoE-enabled network devices, such as PoE Switch, minimizing wires/ power socket, reducing the need to run wires for network infrastructure and making the desk more tidy.

Main features of IP Phone atcom A21

  • LCD screen resolution 132 x 58 pixels
  • 6 SIP accounts
  • 14 programmable keys
  • HD Audio
  • Loud speakerphone
  • 10/100Mbps network port, PoE . support
  • 5-party conference call
  • Secure Encryption ZRTP
  • Main power source: PoE (on RJ45 wire from PoE network device)
  • Optional power supply: 10~240VAC/5VDC power conversion adapter


6 SIP accounts (With dual-color LEDs) 

132*58 graphic lattice LCD 

LED Phone status indicator 

Silver metallic paint keypad 

Silver metallic paint surface



HD full range telephone receiver

3W high-power loudspeaker

Anti-interference microphone

Super big chamber, super hands-free


Detailed Specifications

Basic functions

132*58 graphic lattice LCD. 6 SIP accounts, Call Forward, Call Transfer, Call Waiting, Hotline, Call Hold, Auto Answer, Caller ID, Redial, Mute, DND, Local 5-Way Conferencing, Speed Dial, Voice Mail, Local Phonebook (up to 1000 entries), Direct IP call without SIP proxy, Black list, Dialed/Received/Missed/Forward call (total 400), Call Center Headsets mode,support EHS headset.

Quick to use features

14 Programmable keys; One key reach to the menu; One key to read phone information; BLF quick setting; Support phone book intelligent search; Dial assistant.

IP PBX Features

Supports Intercom, Paging, Call pickup, Call park, Anonymous call, Anonymous call rejection, Hold on music, Conference Call, Group pickup, DND&Call forward state synchronization, Call Recording.


English, German, Italian, French, Spanish, Portuguese, Russian, Chinese, Arabic, Polish, Turkish ,Hebrew

Audio Features

10 (built-in+customized) ring tones, 8 levels adjustable volume + 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.

A21 Datasheet (A21-Datasheet-V3.3_.pdf, 1,653 Kb) [Download]