Date: February 27, 2020


Added Contacts feature.
  • The administrator can add external contacts such as the company's customers, resellers, and partners to Company Contacts for unified management, and share the Company Contacts with the employees to realize efficient office work.
  • The extension users can log in the PBX web interface by their accounts to add and manage their external contacts in Personal Contacts.
Note: Linkus with the following new versions supports synchronizing company contacts and personal contacts from PBX server. Users can check and manage external contacts on Linkus.
  • Linkus iOS version: 2.9.10 or later
  • Linkus Android version: 2.9.6 or later
Zoho Integration

Added Zoho Integration App.

Zoho Integration App is designed to facilitate quick integration between your PBX and multiple Zoho applications.


  • Fixed the Call Monitor issue: Bulk editing the Call Monitor setting of extensions could not take effect.
  • Optimized VoIP Trunk: Added support for bulk adding DID numbers.
  • Fixed the SIP Trunk issue: There would be no sound through the SIP trunk on which T.38 was enabled when the PBX received a re-INVITE packet that contained no image media.
  • Fixed the SIP Trunk issue: Abnormal status of SIP trunk was displayed if the trunk name contained the characters span.
  • Fixed the SIP Trunk issue: No caller name was contained in the P Asserted Identify field of INVITE packet when calling out through a SIP trunk.
SIP relevant
  • Optimized the response intervals for non-INVITE packets to 500 ms, 1s, 2s, 4s, 4s, 4s, which complies to the RFC3261.

    In the earlier version, the response intervals were 1s, 1s, 2s, 4s.

Call Control
  • Optimized Inbound Route: Added support for adding multiple DID patterns.
  • Optimized the Outbound Route template: Changed the parameter prpend to prepend.
  • Fixed the Call Permission issue: After upgrading the system firmware, the Call Permission rules which were deleted previously would be restored.
  • Fixed the Inbound Route issue: The system failed to match the correct inbound route if the DID pattern contained a special character +.
Call Features
  • Fixed the Conference issue: Inviting users to a conference would fail.
  • Fixed the Call Transfer issue: The Attended Transfer Caller ID setting (Settings > PBX > General > Preferences) didn't take effect.
  • Added support for compatibility with Yealink Call Recording feature.

    You can set the Type of DSS key to Record, and press the DSS key to start or stop call recording during a call.

  • Fixed the Call Transfer issue: Dialling *3 during a call to transfer the call would fail.
  • Optimized System Email: Added support for compability with the US Mikopia SMTP server.
System Log
  • Optimized System Log: Added support for recording the timestamp of system logs.

    Note: Go to Maintenance > System Log > System Log Settings, select the checkbox of Time Log, the timestamp will be recorded.
  • Optimized System Log: Added support for recording the DTMF logs.

    Note: Go to Maintenance > System Log > System Log Settings, select the checkbox of DTMF, the DTMF information will be recorded.
Call Recording
  • Fixed the recording issue: When users called in a queue, the system would generate two recording logs.
  • Fixed the Call Recording issue: When a queue agent answered a call and transferred the call, the system generated an incorrect recording log.
  • Fixed the CDR issue: When a user called in a queue and disconnected the call, PBX didn't generate a CDR for the call.
  • Fixed the CDR issue: The recording files that were selected on the web page were not all downloaded.
  • Accelerated the API response.
  • Fixed the issue of extension/update endpoint: Configure the parameter selectroute to a null value could not take effect.
Linkus Server

This version updates the following, you need to simultaneously upgrade Linkus clients to the latest version (iOS version: 2.9.10; Android version: 2.9.6), or Linkus may not work.

  • Added compatibility with PBX Contacts feature.
  • Optimized Linkus iOS Push.
LDAP Server
  • Fixed the display issue of the LDAP Server icon.