Section 700 - Operation Chapter 5. Key Telephone Features576-36-700 DBS 576 (USA) issued October 2000 5-59Related Programming• FF3 0: Hot Dial PadConsiderationsPaging: The Hot Dial Pad cannot be used to initiate a page.Hot LineDescriptionHot Line enables you to immediately connect to another preassigned extension or speed dial numbersimply by lifting the handset. You do not have to dial any digits.OperationTo immediately connect to a pre-assigned extension or speed dial number:Hardware Requirements• N/ARelated Programming• FF5-5: Hot LineConsiderations• N/AIntercom CallingDescriptionThe System provides two methods of intercom calling:• Voice Calling: Extension calls are connected immediately, without a ringing tone.• Tone Calling: A ringing tone is sent to the called extension.Extension Class of Service (COS) programming determines whether the default for the originatingextension is voice or tone calling. Regardless of the default, you can toggle between voice or tonecalling by entering the Tone-Voice Call feature code. For example, if the extension default is toneAction Result1. Lift the handset or press the ON/OFF key. Automatically connected to pre-assignedextension or speed dial number