Zycoo CooVox U20 IP PBX

Zycoo CooVox U20 IP PBX
  • 32 Users ,15 concurrent calls
  • Fax to Email
  • WebRTC/ Web Dial
  • Paging and Intercom function strengthens the working efficiency
  • Monitor and Whisper
  • HD Voice Codec G.722 for perfect voice quality
  • Strong security features protect your system from hacking

DATASHEET (V3.2.0): Check it now

SYSTEM ADMIN USER MANUAL (V3.2.0): Check it now






The CooVox-U20 IP Phone System is the second generation of Mini IP Phone System launched by ZYCOO, meanwhile, it’s the first Mobile IPPhone System with the ability to use the GSM module to connect to the mobile network for mobile telephony.

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 provides not only traditional PBX features such as Automated Attendant and Voicemail, but also many advanced features including Remote Extensions, Conference Bridge, Call Recording, Call Detail Records (CDR), Automatic Call Distribution (ACD), Web Dial, Unified Messaging (Voicemail to Email), and many more features.

Quick Setup Wizard

  • Intuitive pages, simple to use
  • Leading installation wizard, fast to configure
  • Time and effort saving

SIP Terminals Zero-Touch Installation

  • Automatically detect IP address & MAC address of CooFone IP Phones, EX16S expansion box or iSpeaker SIP Intercom.
  • Particularly a great feature in a large quantity deployment.
  • Save great of time and efforts.

Innovative User Extension Web Soft Dialer (WebRTC)

  • No third-party explorer plug-in required
  • Phonebook access & update, click-to-dial, window pop-up, voicemail, recordings…
  • More telephony features supported with the web based soft dialer
  • Release hands from handsets

Compatible With Main Stream SIP Terminal Devices

  • SIP terminal devices: Softphones,Gateway, IP Phones.
  • Compatible with Polycom, CISCO, Huawei, Htek, Yealink, Grandstream, Escene, Fanvil, Snom, Dinstar etc.


Call Features
  • Call Forward
  • Call Hold
  • Call Paging and Intercom
  • Call Park
  • Call Queue
  • Call Recording
  • Call Routing
  • Blind Transfer
  • Attendant Transfer
  • Call Waiting
  • One Number Stations
  • Caller ID
  • Call Pickup
  • Music On Hold/Transfer
  • 3-Way Conference
  • Video Call
PBX Features
  • BLF (Busy Lamp Field)
  • CDR (Call Detailed Record)
  • Conference
  • Call Monitoring
  • DID (Direct Inward Dialing)
  • DISA (Direct Inward System Access)
  • Distinctive Ringtone
  • DND (Do Not Disturb)
  • Spy
  • Feature Codes
  • Skype for SIP
  • Follow Me
  • IVR (Interactive Voice Response)
  • Mobility Extension
  • Multi-Language Prompts
  • Multi-Language GUI
  • One Touch Recording
  • Phone Book(LDAP Server)
  • Phone Provisioning
  • Pin Set
  • Record File Download
  • Ring Group
  • SIP Register with UDP/TCP/TLS
  • SIP Trunk
  • Voicemail & Voicemail to Email
  • Smart DID
  • Speed Dial
  • WebRTC
  • T.38 Fax (Pass-through)
  • Time Based Rule
  • SRTP (Secure Realtime Transport Protocol)
  • FOP (Flash Operation Panel) Status Monitoring
  • DNIS (Dialed Number Identification Service)
System Capacities
  • Up to 15 Concurrent Calls
  • Up to 30 IP Phone Registers/Extensions
  • Up to 32 Conferences
  • Recording/Voicemail: 150hrs
Codecs & Protocols
  • Protocols: SIP (RFC3261)/IAX2
  • G.726/G.729/GSM/SPEEX Audio Codecs: G.722/G.711-Ulaw/G.711-Alaw/
  • Video Codecs: H.261/H.263/H.263+/H.264/VP8
  • DTMF: RFC4733/SIP INFO/In-Band
Network Features
  • DDNS Client
  • DHCP Server
  • Trouble Shooting (Ping/Traceroute)
  • Static Route
  • IPv4/IEEE802.1Q
  • IP Assignment (PPPoE/DHCP/Static)
  • VPN Client (PPTP/OpenVPN)
  • VPN Server (PPTP/OpenVPN)
Security Features
  • Firewall
  • IP Blacklist
  • IP Whitelist
  • GeoIP
  • Intrusion Detection and Prevention
  • PBX Log
  • Web Access Log
  • PBX Debug Log


Hardware Interfaces
  • 1 Reset Button
  • 1 Power Interface
  • 2 Ethernet Interface
  • 2 Analog Ports (FXO/FXS)
  • 1 USB 2.0 Interface for Storage
  • 1 Console Port
Hardware Specifications
  • SDRAM: DDR3 512MB
  • Processor: DualCore A7(1GHz)
  • Output DC 12V/1A
  • Storage: 16GB SD Card(Industry Standard)
  • Working Temperature: 0 ~ 40°C
  • Storage Temperature: -20 ~ 55°C
  • Humidity: 5 ~ 95% Non-condensing

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  • Brand: Zycoo
  • Product Code: Zycoo CooVox U20
  • Availability: In Stock
  • HK$0.00
This product has a minimum quantity of 100