NO. DE PÁGINAS: 164

CONTENIDO:

• Tele-Guard
• Telephone Hold Button
• Telephone Melody Ringer
• Telephone Tone Ringer
• Automatic T elephone Recorder
• Telephone Call Indicator
• Ring Detector
• Conference Caller
• Telephone Lock
• Telephone Intercom
• Telephone Une Tester
• Telephone Amplifier
• Speaker Phone
• Appliance Controller
• Animated Telephone Ringer