Features:
• It allows to use standard home phones for door phones using
• Notification about door phone calls during phone calls ( it is possible to suspend the phone call and use the door phone)
• Notification about phone calls during door phone calls ( it is possible to suspend the door phone call and use the phone)
• Door phone calls and lock opening are made by telephone ( it is possible to use the mobile phone)
• Automatic control of telephone and door phone line availability
• Cooperation with phones and local branch exchange with dial tones (DTMF)
• Phone with answering machine allowing to record the door phone calls |
