iPBX SOLUTION, ip-pbx Systems, IP Phone system CooVox-U20-A211, CPU (MHz) 500, Memory (MB) 128, Slot SD-Card 4 Gb, Ports 10/100 Ethernet 1, Ports FXO 1, Ports FXS 1, Support expansion modules 1 GSM|UMTS, Antenna GSM (rp-sma male), Sensor Type R, Port mFi RJ45 D1 IP Phone system CooVox-U20-A211, buy, compare prices , reviews and delivery . Best Online Shop networking for all

IP Phone system CooVox-U20-A211

NETSODISiPBX SOLUTIONip-pbx Systems → IP Phone system CooVox-U20-A211
1GSM module
Product Code: 1805
from 73.15 €
Zycoo 1GSM module for U20
Application: PBX, Ports GSM: 1, Support models: CooVox-U20
32 EM (Echo Cancellation Module)
Product Code: 624
from 199.6 €
Zycoo 32 EM (Echo Cancellation Module)
Application: PBX, Support models: CooVox-U50| CooVox-U100
Additional License for EP+ APP
Product Code: 1097
from 24.37 €
License for EP+ APP which will be install in to EP+ Sever
Anti-Vandal box NSD-AV-330-1/with plank
Product Code: 473
from 8.68 €
330x250x150, door design - sliding, type lock – screw, cable glands - 4 holes ∅ 22 mm
Height: 250 mm, Width: 330 mm, Depth: 150 mm, Material: steel - 1,2 mm, Door: sliding type, Application: wall mounted, Degree of protection: IP20, Weight: 3,3 kg
ES220-N IP-phone Escene
Product Code: 598
from 30.86 €
2 Lines Entry Level IP Phone, 132x32 graphic LCD, 2 SIP accounts, HD Voice, XML ,Headset port, 2xRJ45, Without POE
Screen: 132x32 graphic LCD, The number of SIP-accounts: 2, Ports 10/100 Ethernet: 2, Number of programmable keys: -, Support expansion modules: -, Support POE: No, Handset interface: Yes
IP-phone Zycoo D30
Product Code: 757
from 40.43 €
IP-phone Zycoo D30
Screen: 128х48, The number of SIP-accounts: 2, Ports 10/100 Ethernet: 2, Support POE: Yes, Handset interface: Yes
Product Code: 1752
from 88.1 €
2.8 inch 320x240 color display, 6 SIP accounts, 30 paperless programmable keys, 2 Gigabit ports, 1 USB, RJ9 Headset, adjustable bracket, HD Voice, Built-in POE and Blue tooth, EHS, wall mountable (need a stand), support EP+, up to 2000 entries phone book
Screen: 320х240 color LCD, The number of SIP-accounts: 6, Ports 10/100/1000 Ethernet: 2, Support POE: Yes, USB: 1, Number of programmable keys: 30, Support expansion modules: No
UMTS module
Product Code: 622
from 125.4 €
Zycoo UMTS module
Application: PBX, Support models: CooVox-U50| CooVox-U100
WS290-N WIFI IP-phone Escene
Product Code: 1089
from 65.97 €
2 Lines Professional WIFI IP Phone, 132*64 graphic LCD, 2 line 2 SIP accounts,
Screen: 132х64 graphic LCD, The number of SIP-accounts: 2, Mount type: wall-mounted
  • IP Phone system CooVox-U20-A211
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IP Phone system CooVox-U20-A211 is the next generation IP PBX for companies up to 30 users and up to 10 concurrent calls.


CooVox-U20 IP Phone system is the second generation of Mini IP Phone System released from ZYCOO, meanwhile it's the first Mobile IP Phone system with the ability to use the GSM or UMTS (3G) module to connect to the mobile network for data transport.


CooVox-U20 is a next-generation smart IP PBX system designed and optimized for today's business telecommunication needs.


CooVox-U20 is an affordable, scalable, interoperable, secure and reliable solution which not only provides traditional PBX functions such as automated attendant and voicemail, but also many advanced features including remote extensions, remote office connection, conference bridge, call recording, call detail records (CDR), automatic call distribution (ACD), unified messaging (voice mail to email), and many more features.




Black List

BLF (Busy Lamp Field)

CDR (Call Detailed Record)

Conference Room (3 Rooms)

Call Monitoring

DID (Direct Inward Dialing Number)

DISA (Direct Inward System Access)

Distinctive Ringtone DND (Do Not Disturb)

DNIS (Dialed Number Identification Service)

Feature Codes

FOP (Flash Operation Panel) Status Monitoring

Follow Me

IVR (Interactive Voice Responses)

Mobility Extension

Multi-Language Prompts

Multi-Language GUI

One Touch Recording

Phone Book

Phone Provisioning

Pin Set

Record File Download


SIP Register with UDP/TCP/TLS

SIP Trunk

Skype for SIP

Smart DID

Speed Dial


SRTP (Secure Realtime Transport Protocol)

T.38 Fax (Pass-through)

Time Based Rule

Virtual Fax

Voicemail & Voicemail to Email




Hardware Interfaces


1 Reset Button

1 Power Interface

1 Ethernet Interface

2 Analog Ports (FXO/FXS)

1 GSM/UMTS Interface (Onboard)


Hardware Specifications


Processor: DualCore 500Mhz DSP


Storage: 4GB SD Card

Power Supply: Input AC 100~240V, 50/60Hz; Output DC 12V/1A




Working Temperature: 0 ~ 40°C

Storage Temperature: -20 ~ 55°C

Humidity: 5 ~ 95% Non-condensing


Applicable Modules





1GSM Modul

1UM (3G)


Properties Features
CPU (MHz) 500
Memory (MB) 128
Slot SD-Card 4 Gb
Ports 10/100 Ethernet 1
Ports FXO 1
Ports FXS 1
Support expansion modules 1 GSM|UMTS
Antenna GSM (rp-sma male)

Product specifications and equipment are subject to change without notice.


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