3CX v18: New Features & Improvements

Hooray! V18 is finally here for both Linux and Windows. Learn what’s new & what’s coming.

3CX’s highly anticipated v18 software update is here and is packed with new features & improvements.


What’s New & Improved

iOS & Android Apps

  • Focus is on complete remote working reliability
  • Fully up-to-date using latest Apple & Google technology
  • Latest PUSH in server & web clients- eliminating missed calls due to missed PUSH


3CX mobile app chat messaging with picture sharing



Teams Integration

  • Integrate 3CX with Teams- trial offers available
  • Mix & match users with 3CX calling abilities and Teams calling abilities to save money (Microsoft charges up to $53/month per user)
  • Team users and 3CX users can seamlessly call each other or external parties
  • Make outbound calls via 3CX SIP Trunks
  • 3CX uses direct routing (SBC Trunking) which is more reliable & stable then connecting directly via a SBC.

3CX and Microsoft Teams integration




  • Improved Chat Functionality
    • Forward chats
    • Mark chats as done/handled (Live Chat via your website plug-in)
    • Add/Remove members in chats
    • Retention policy for chats
  • SMS compatible
  • Facebook Messenger Integration

3CX Live Chat

3CX Video Conferencing

  • Major upgrades to 3CX’s Video Conferencing platform (formerly known as 3CX WebMeeting)
  • New & Improved Android & iOS smartphone apps
  • Manages low bandwidth situations better
  • Added & Improved MCUs- added one for Moscow
  • Improved reliability
  • New Interface
  • 3CX Video Conferencing is now natively on 3CX rather than in the cloud. This provides-
    • Increased data privacy
    • Dial-in efficiency
    • URL efficiency
  • Continue reading>>>


3CX web meeting screenshot



New & Improved Windows Desktop App

  • New look & feel- similar to Web Client
  • Replaces Google Extension
  • Inbound calls pop-up to offer better call control
  • Uses Electron
  • Easily to install and update- can install directly from Web Client now

3CX Windows Desktop App for Business



Updates to Admin Rights & Features

  • New Role added- “Phone System Admin”
  • Extended rights for:
    • Creating Digital Receptionist 
    • Music on Hold
    • Ring Groups
    • Contacts
    • Queues
    • Inbound Rules
  • Updated Audit Log includes information on who made changes. Now available for Standard, PRO and Enterprise editions.
  • Normalize caller ID to e164
  • Re-organized Management console

3CX Management Admin portal console



Codec Management Improvements:

  • Enhanced Default Codecs for Apps & Webclient
    • Wifi- Apps use G711
    • Mobile Data Network- Apps use G729
  • Ability to set system wide default codec for apps



Voice Engine Improvements:

  • Latest SIP Library for compatibility & security
  • Easy to configure SRTP
  • IPv6 Support for Apps & Console



Security Updates:

  • Latest version of Debian Linux 10 
  • Latest Libraries & Technologies
  • Latest Nginx, OpenSSL support
  • Latest Ciphers for TLS
  • Out-of-the-box, easy config SRTP support
  • A+ Security Status (SSL Labs) & Immunilabs A status



Integrated Media Server Tunnel

  • Faster & more reliable reconnection for Apps & Session Border Controls (SBCs)
  • Calls are no longer disconnected when network changes or drops
  • Removed unnecessary SIP mappings
  • Saves local ports & CPU processing
  • 50%+ reduction on memory & processor usage



SSO Support for Console & Web Client

  • SSO can be authenticated with Microsoft or Google Account
  • Works out-of-box with Microsoft 365
  • Supports Active Directory via AD Azure Connect (if you don’t have Microsoft 365)
  • Import & Sync for AD and 365 in Standard Edition
  • SSO is only for web clients & console (Apps are provisioned)


What’s Coming in v18.2+


  • Interface for handling multiple chats


  • Option to configure your own MCU
  • New codec AV1
  • BYO MCUs for Video Conferencing
  • Recurring Meetings
  • Auto-update of Extension Status
  • Group-based Meeting Rooms


  • For Apps: Car Play, Android Auto, Android 12, Siri
  • Google Messaging
  • Apple iMessaging
  • Telegram in consideration
  • MMS
  • SMS – alphanumeric sender ID
  • Chat Rating
  • Email Chat Transcripts
  • Source of URL of Website Chat
  • More Reporting
  • Better CRM integration for Chat
  • Chat “IVR”
  • Yealink Headset Support
  • Zammad Integration
    • Allow for escalating/transfer of tickets to Zammad
    • User syncing with Zammad
    • Use same answer library with Zammad
    • Can install on same machine with small licenses
  • HelpDesk/Ticketing System
    • Bundle/Integrate Zammad
      • Open source system
      • Runs on Debian Linux
      • Use almost identical technology as 3CX (Postgres)
      • Can integrate email ticketing
      • One integrated system



How to Upgrade to v18

To upgrade to v18, please contact your ACC Account Manager or ACC Support to schedule your software update.  ACC Telecom customers with active support packages will automatically be upgraded to v18 in the coming weeks.  


ACC Telecom is a Titanium-level, advanced certified 3CX dealer and SIP Trunk provider serving clients throughout the United States.  Contact ACC Telecom for all of your 3CX needs. 

Skip to content