TrueConf Server users can call third-party PBXes and SIP/H.323 video conferencing endpoints and invite them to group video conferences from their client applications. We will demonstrate this feature using TrueConf for Windows client application and Polycom endpoints; however, the procedure will be the same for macOS/Linux applications.
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How TrueConf users can call Polycom endpoints
Open your client application and enter the following call string in the search field above the address book #sip:[IP]. In this case, [IP] is the endpoint IP address.
After that click on the call button in the pop-up menu (where you can also add an endpoint to the address book 
).
#sip:[ID] where [ID] is the endpoint name.
How to Invite a Polycom Endpoint to a TrueConf Video Conference
Add a Polycom endpoint to the address book in your TrueConf client application (see the previous section) and invite it to the list of conference participants when creating a conference on the fly. You can also add this device to the list of meeting participants when scheduling the conference on the server or in your conference scheduler.
Invitation will be received automatically by a Polycom endpoint when the conference starts.
How to Call Users and Join TrueConf Conferences from a Polycom Endpoint
We shall use Polycom RealPresence Desktop software as an example.
To call a TrueConf user, enter the following line [user_id]@[IP] in the field above the dial pad.
Here [user_id] is the login (TrueConf ID) you want to call, while [IP] is an external IP address or a domain name of TrueConf Server.
For example:
den@server.company.com
TrueConf user will receive the following invitation in his/her client application:
Upon accepting the invitation video call will start: both users will see and hear each other:
To join a TrueConf conference, call the following address:
00[Conference_ID]@[server]
where:
[Conference_ID]— conference ID[server]— server IP address or domain name.
To learn more about calls from a hardware and software-based endpoint, check TrueConf Server documentation.
To learn more about calls from a hardware and software-based endpoint, check TrueConf Server documentation.
Does TrueConf support tone dialing (DTMF) for SIP endpoints?
Yes, when participating in a TrueConf conference via SIP, users can send DTMF commands with a remote control or keyboard. This feature is also available for H.323 devices. During a role-based conference, you can send the following DTMF commands:
1– request the podium2– leave the podium.
Please note that you may have to activate this feature in the settings of your endpoint. To learn more, check the documentation for the specific device.
