First you need to understand that phone interpreting is a, at a minimum, three way street. When your telephone interpreting service connects you and your partner with an interpreter than you're going to speak with them about what you aim to accomplish with the conversation.
You can also have multiple people in the room or on the phone speaking multiple languages, provided your phone interpreting services are able to handle all the different languages represented. You can also look for professional interpreter services in Australia.
Image Source: Google
Generally speaking when you call a phone interpreting service you're going to speak with an operator who will connect you with an interpreter who understands the language of the other person on the phone.
When your telephone interpreting service connects you and your partner with an interpreter than you're going to need to speak with them about what you aim to accomplish with the conversation.
Remember that your interpreter is, in essence, a mediator of your conversation. Not only will they make sure that you both understand each other, but their interpretation of the words spoken will guide the conversation in subtle and not so subtle ways.
After you have connected with the right interpreter and they understand your needs all you need to do is speak with each other, taking turns, taking your time to make sure that both people are confident that they fully understand each other before moving on.
The conversation will not be as fast and fluid as a normal conversation, but with the right attitude and the right interpreter phone interpreting services will provide immense value to your business or personal life.