How to 3-way Conference Call - Grandstream Phones

Once you are in a call, press the button that has the icon showing three people.


Then dial the extension and/or the 10 digit number you want to conference with.

Once you have the 3rd party on the line, press the button a second time.

Now choose the blinking line on hold. This will complete the connection.

If you ever have any questions or comments, give us a call or text at 423-509-8000 or send us an email at We are more than willing to answer any questions you might have.


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