An external telephone allows you to send a fax after finishing your conversation, without having to disconnect and redial. This function is useful when you want to ensure that the fax will be received.
Place the original.
Press the [Facsimile] key.
Pick up the handset of the external telephone.
Specify the destination using the external telephone.
When the other party answers, ask them to press their fax start button.
If you hear a high pitched tone, press the [Start] key.
Press [TX], and then press the [Start] key.
Replace the handset.
For details about connecting an external telephone, see Connecting to a Telephone Line.