174 DBS 576 (USA), issued January 1999 576-20-700Chapter 5. Key Telephone Features Section 700 - OperationRelated Programming• FF5-5: Hot LineConsiderations• N/AIntercom CallingCPC-96, CPC-288, and CPC-576 All VersionsDescriptionThe 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 tonecalling, you can make a voice call to another extension by entering the Tone-Voice Call feature accesscode.OperationTo make a call using Intercom Calling:Hardware Requirements• N/ARelated Programming• FF1-0-03: Extension COS (Intercom Calling Type)• FF1-0-03: Extension COS (Voice Call Send)• FF1-0-03: Extension COS (Voice Call Receive)• FF3: Extension COSAction Result1. Lift the handset or press the ON/OFF key. Intercom dial tone2. Dial the extension number.3. If your extension is set for tone calling and you want tomake a voice call, enter 1.OR...If your extension is set for voice call and you want to makea tone call, enter 1.• Dialed number displays• EXT LED lights4. Speak when your call is answered.5. Replace the handset or press the ON/OFF key. EXT LED goes off
