< img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=398657075013292&ev=PageView&noscript=1" /> CooVox-U20
IP Phone & PBX CooVox-U20


not inserted
Price 0
Status In stock
Product Code PR01098
Model U20

    • Quick Setup Wizard
    • Endpoints Provisioning
    • SIP Proxy Service
    • Billing
    • Extension Web Portal (WebRTC Integrated)
    • Web Conference Manager
    • Operator Panel

Hotline: 01979234344 | Corporate: 01979234316
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Last Modified On: 06-02-2023

CooVox-U20 is a stylish, compact yet full-featured mini IPPBX system designed for small and micro firms/SOHOs. It is suitable for companies under 30 employees and has all the necessary functionality to fulfill their daily telephony needs. CooVox-U20 comes equipped with 2 analog ports and optionally a GSM interface, allowing companies the option to deliver inbound/outbound phone calls over PSTN/GSM/SIP Trunk/IMS. With the U20, it is possible to deploy up to 2 EX16S expansion boxes for up to 32 legacy phone deployments. This low-cost IPPBX packs a powerful punch, with a rich feature set that can rival the most expensive of Enterprise solutions in today’s marketplace.


✓ Quick Setup Wizard allows speedy initial configuration of the U20 system. The wizard includes all essential configuration steps in an easy-to-use and intuitive web-based interface.

✓ Endpoints Provisioning Quick and simple deployment of endpoint devices using PNP and Quick Register Code. CooCall APP can be provisioned by scanning a QR code.

✓ SIP Proxy Service No fixed public IP, third-party DDNS services and VPN router required. Remote extension and remote branch office phone system integration have never been easier!

✓ Billing With a built-in billing system, no third-party billing software is required. Prepaid/postpaid billing, billing credit, flexible billing rates and billing statistics features are all supported.

✓ Extension Web Portal (WebRTC Integrated) Thanks to the extension web portal, you can now Playback voicemail/recordings online, make/receive phone calls, click to dial, incoming call pop-ups, and send the fax. All of this is from within your web browser without installing any plugins.

✓ Web Conference Manager By using web conference manager, it will be much easier for you to start and manage a conference from the Web interface. Invite participants, mute/unmute participants, and kick out participants can be done with a few mouse clicks

Operator Panel The Operator Panel is a comprehensive software application specially designed for the CooVox series of IPPBX. By using the Operator Panel, users can achieve features such as live paging, emergency paging, high-quality background music, scheduled paging, scheduled music, etc. 

Telephony Interfaces 2xRJ11 Interfaces (FXO/FXS); 1xGSM (Optional) 
CPU 1GHz ARMv7 Processor
Storage 16GB SD Card
USB (Extended Storage Supported) 1 (Supported File System: FAT16,FAT32,EXTFAT,NTFS,EXT3,EXT4)
Ethernet Interface WAN, LAN (10/100Mbps) 
Power DC 12V, 1A
Dimension 170x116x30 (Desktop-based)
System Capacity

✓ 32 Extensions ✓ Unlimited IVR Levels

✓ 15 Simultaneous Calls ✓ 20 SIP/IMS Trunks (Max)

✓ 15 Conference Attendees ✓ 500000 CDR History

✓ 150hrs Recording/Voicemail(Internal Storage) ✓ 10000 Phonebook Contacts

✓ 1 or 2 EX16S Deployment (Recommended) ✓ 15 Paging Members

Protocols & Codecs

✓ SIP(RFC3261), IAX2

✓ DTMF(RFC4733, SIPINFO, In-Band)

✓ Transport Protocols: UDP, TCP, TLS, SRTP

✓ Network Protocols: IPv4, IPv6, VLAN, DHCP, PPPoE, NTP, SNTP, TFTP, SSH, HTTPS, LDAP

✓ Video Codecs: VP8, H.264, H.263+, H.263, H.261

✓ Audio Codecs: Opus, G.722, G.711(a-law, u-law), G.729, G.726, GSM, SPEEX, AMR, AMR-WB

Telephony Features 

✓ Call Queue ✓ IVR (Multi-layer) ✓ DISA

✓ Time Conditions ✓ Ring Group ✓ Caller ID

✓ Smart DID ✓ Paging & Intercom ✓ Call Forward

✓ Call Spy ✓ Blacklist ✓ One Number Stations

✓ Call Transfer ✓ Video Call ✓ Voicemail

✓ Music On Ringback ✓ Call Pickup ✓ 3-way Calling

✓ Wakeup Call ✓ Distinctive Ringtone ✓ Call Parking

✓ Conference Call ✓ PIN Code ✓ Auto Call Recording

✓ Call Waiting ✓ Follow Me ✓ Do Not Disturb

✓ One Touch Recording ✓ Speed Dial ✓ Call Back

✓ Switch Call ✓ Call Detailed Records (CDR) 

Feature Highlights

✓ Quick Installation Guide ✓ SIP Proxy (NAT Traversal)

✓ Softphone APP Auto Provisioning (QR Code Scan) ✓ Voicemail to Email

✓ IP Phone Auto Provisioning (PNP, Quick Register Code) ✓ Fax to Email

✓ LDAP Phonebook Auto Configure (H81, H83) ✓ Multilingual Web UI

✓ EX16S Auto Provisioning ✓ Multilingual Voice Prompts

Multi-level User Administration

✓ Admin user: All Privileges. ✓ Billing user

✓ Operator user: Extensions, faxes, CDR, recordings, etc. ✓ Conference manager

✓ Extension user: WebRTC, recordings, voicemails, call logs, etc. 


✓ Firewall based on iptables ✓ IP Black/White List

✓ Intrusion auto detection and prevention ✓ Extension Permit IP

✓ Geo-IP (Security policy based on IP address geographical location)

Network Features 

✓ Network (WAN): Static IP, DHCP, PPPoE ✓ DDNS (Dynamic Domain Name Server)

✓ VPN: PPTP, OpenVPN, IPSec, L2TP ✓ VLAN (WAN & LAN Interface) (Server and Client)

✓ Virtual IP ✓ Static Routing

✓ Local Domain Name Services ✓ DHCP (Server and Client) ✓ SIP Proxy (NAT Traversal)