Quick User Guide: ATA MP-204
You can connect traditional analogue telephones and similar customer-premise devices such as fax machines, to the Optus Loop application using an analogue telephone adapter (ATA) which acts as an interface enabling you to transmit voice and multi-media over the Internet.
Click here to download the user guide.
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E.g."How do I set up auto greet for callers?" or "How to loop in colleagues?"