Linkus Call Overview

Linkus Desktop Client allows you to connect to colleagues and external contacts via audio calls and video calls. This topic describes the requirements for audio call and video call, and the supported call features.

Requirements

Audio call requirements

For audio call, contact system administrator to ensure that the PBX server's configurations are ready:

  • Web Server Protocol: HTTPS
  • Codec: Any of u-law, a-law, or G722 is enabled on PBX server.
Video call requirements
For video call, besides the above requirements, make sure the followings are ready on PBX server:
  • PBX Plan: Ultimate Plan
  • Codec: Either VP8 or H264 is enabled on PBX server.
    Note:
    • Codec VP8 is preferred.
    • If VP8 and H264 are both enabled, make sure VP8 has the top priority.

Supported call features

Call Feature Description
Audio Conferencing
This feature allows you to initiate an instant audio conference during a call.
Note: Up to 9 members are supported.

For more information, see Audio Conferencing Overview.

Call Flip

This feature allows you to flip an active call from Linkus Desktop Client to another device (with your extension registered), without any interruption to the conversation.

For more information, see Flip an Active Call between Devices.

Call Switch

This feature allows you to retrieve an active call from the original device (with your extension registered) to Linkus Desktop Client, without any interruption to the conversation.

For more information, see Continue an Active Call on Linkus Desktop Client.

Call Transfer This feature allows you to transfer an ongoing call to another number.

For more information, see Transfer a call.

Call Merge This feature allows you to merge active calls into an audio conference call.

For more information, see Merge Calls into an Audio Conference Call.

Call Hold/Resume

This feature allows you to pause your conversation without having to hang up, and resume the call when you are ready.

For more information, see Hold and Resume a Call.

Call Recording

This feature allows you to record calls and play back later to review and confirm information.

For more information, see Record a Call.