Conference Calling

You can create a conference call on the T58A phone using either a local conference function or a network conference function. The later lets you exceed the phone's ten participants limit.


A Network conference URL needs to be setup in advance using the web user interface. Speak to your phone system administrator about this and about using a network conference if the local conference is not sufficient for you.


Local Conference


You can create an audio conference call with up to ten participants (including yourself). A video conference call is limited to three participants.


Setting Up a Local Conference Call without Additional Configurations


You can set up a local conference with out having to deal with any additional configuration by either dialing the other parties or by merging an existing held and active calls.


To set up a local conference by dialling the other parties:


  • Place a call to the first party.

  • Select Conference to place a new call.

  • The active call is placed on hold.

  • Dial the second party’s number.

  • When the second party answers the call, select Conference to add the second party to the conference.

  • Repeat the above steps to add more parties to the conference.

To Merge two calls into a conference:


  • Place two calls on the phone.

  • Do one of the following:

    • Drag one far-site window to another far-site window and then tap Conference from the pop-up box.



    • Tap the desired call you want to use in a conference and ensure that the call is active.

      Tap Conference.

      Tap the held call to join the calls in the conference.

Creating a Multi-party Conference with a DSS Conference Key Configuration


You can also create a multi-party conference by configuring a DSS like key to function as a conference soft key. This lets you call all the conference participants at the same time instead of one at a time.


To set up a DSS conference key to create a multi-party conference:


  • Swipe left or right to go to the second idle screen or swipe down from the top to show the control center.

    Select Settings and navigate to Features > Dsskey.

  • Select the desired line key.

  • Select Key Event from the Type field.

  • Select Conference from the Key Type field.

  • (optional) Enter the string that will appear on the phone screen in the Label field.

  • Select   .

To initiate a Multi-party Conference:


  • Select the DSS conference key you set above on the idle screen.

  • Do one of the following:

    • Enter all contact numbers you want to add to the conference.

    • Select History or Directory to select the desired contact.



  • Select  .

Conference Call Actions


While in a conference calls you can perform the following actions:


  • Holding or resuming - when you place a conference call on hold, other participants cannot hear each other until you resume the held conference call.

    Press    or tap Hold to place the conference on hold. Press    again or tap Resume to resume the held conference call.

  • Muting or unmuting - when you mute the local microphone during a conference call, other participants can hear each but cannot hear you.

    Press    to mute the conference. Press    again to unmute the conference.

  • Splitting a conference call - you can split the conference call into individual calls by selecting Split. After the split, the conference call ends, and other parties are placed on held calls.

  • Select End Call to end the conference call.

    When you end the conference call, the other parties drop the call. However, the system administrator can set up your phone so that the other parties remain connected when you end the conference call.

  • Managing conference participants - long-tap the desired party you want to manage with the following options:

    • Far Mute - the muted party can hear everyone, but no one can hear the muted party.

    • Far Hold - the held party cannot hear anyone, and no one can hear the held party.

    • Remove - to remove the party from the conference call.

Network Conference


A network conference, if enabled by your system administrator, allows you to initiate a conference with multiple contacts.


To set up a network conference with multiple parties:

  • Place a call to the first party.

  • Select Conference to place a new call.

    The active call is placed on hold.

  • Enter the number of the second party, and when the second party answers the call, select Conference to add it to the conference.

  • Select Conference to place a new call.

    The conference call is placed on hold.

  • Enter the number of the new party, and then select Conference.

  • When the new party answers the call, select Conference to add the new party to the conference.

  • Repeat the previous four steps until you add all parties.

  • The conference is set up after the intended parties answer the call.

Did you find it helpful? Yes No

Send feedback
Sorry we couldn't be helpful. Help us improve this article with your feedback.